303 data found. 1 - 303 listed   

Communication
Reaction of Glycosylisothiocyanates with 2-Chloroethylamine
M. Avalos Gonzárez, R. Babiano Caballero, P. Cintas Moreno, J. Fuentes Mota, J. L. Jiménez Requejo, and J. C. Palacios Albarrán
Vol 29, Issue 1, 1989, pp.1-4,
COM-88-4626
Abstract     PDF (86KB)
 

Communication
Ring Conversion of 2-Amino-4,5-dihydro-3-furancarbonitriles Catalyzed by Halide Ions
Kenji Yamagata, Hiroshi Maruoka, Yoshichika Hashimoto, and Motoyoshi Yamazaki
Vol 29, Issue 1, 1989, pp.5-9,
COM-88-4719
Abstract     PDF (100KB)
 

Communication
Regioselectivity in the Diels-Alder Reactions of 2-Vinylindoles and Pyrano[3,4-b]indol-3-ones with CC-Dienophiles
Ulf Pindur, Manfred Eitel, and Erfanian Abdoust-Houshang
Vol 29, Issue 1, 1989, pp.11-20,
COM-88-4763
Abstract     PDF (208KB)
 

Communication
Formation of Novel 1:3 Adduct in the High Pressure Reaction of 2(1H)-Pyridones with Dimethyl Acetylenedicarboxylate: An X-Ray Crystal Structure Determination
Kiyoshi Matsumoto, Kensaku Hamada, Takane Uchida, and Hiroshi Yoshida
Vol 29, Issue 1, 1989, pp.21-24,
COM-88-4764
Abstract     PDF (85KB)
 

Communication
Synthesis of 2’,3’-Dideoxy-3’-methylidenethymidine and 2’,3’-Didehydro-2’,3’-dideoxy-3’-methylthymidine: Deoxygenation of the Allylic Alchol System in 3’-Deoxy-3’-methyodene-5-methyluridine
Akira Matsuda, Hitomi Okajima, and Tohru Ueda
Vol 29, Issue 1, 1989, pp.25-28,
COM-88-4770
Abstract     PDF (100KB)
 

Communication
Asymmetric Electrophilic α-Amidoalkylation 6: Syntheses of Tetrahydroisoquinolines of High Enantiomeric Purity
Klaus Th. Wanner and Ilona Praschak
Vol 29, Issue 1, 1989, pp.29-34,
COM-88-4772
Abstract     PDF (110KB)
 

Communication
(4+2)type Cycloaddition of Chromones with α,β-Unsaturated Ketones Mediated by t-Butyldimethylsilyl Triflate: One-pot Preparation of Xanthone Derivatives
Yong-gyun Lee, Hideharu Iwasaki, Yosuke Yamamoto, Katsuo Ohtaka, and Kin-ya Akiba
Vol 29, Issue 1, 1989, pp.35-38,
COM-88-4774
Abstract     PDF (95KB)
 

Communication
Litophytolides A and B, Two New Lipid Metabolites of a Soft Coral Litophyton sp.
Masamitsu Ochi, Kensuke Futatsugi, Yasuhiro Kume, Hiyosizo Kotsuki, Kazuhuko Asao, and Kozo Shibata
Vol 29, Issue 1, 1989, pp.39-41,
COM-88-4780
Abstract     PDF (84KB)
 

Paper
The Chemistry of the 6β-Diacylaminopenicillins
Ronald G. Micetich, Rajeshwar Singh, Chen C. Shaw, Samarandra N. Maiti, Maya P. Singh, and Paul Spevak
Vol 29, Issue 1, 1989, pp.43-49,
COM-86-3641
Abstract     PDF (175KB)
 

Paper
A New Synthetic Route to Heterocyclic Quinones
Abdulla J. Hamdan and Harold W. Moore
Vol 29, Issue 1, 1989, pp.51-56,
COM-88-4591
Abstract     PDF (121KB)
 

Paper
Preparation of New Benzimidazole Derivatives from N-[(Methylthio)thiocarbonylmethyl]azinium Salts
An M. Cuadro, Julio Alvarez-Builla*, and Juan J. Vaquero
Vol 29, Issue 1, 1989, pp.57-65,
COM-88-4601
Abstract     PDF (150KB)
 

Paper
A Novel Mehtod for the Synthesis of 2-Haloalkyl-3(2H)-pyridazinones by ON-Alkyl Rearrangement
Péter Mátyus, Nándor Makk, Endre Kasztreiner, and Gyula Jerkovich
Vol 29, Issue 1, 1989, pp.67-77,
COM-88-4622
Abstract     PDF (203KB)
 

Paper
High-Pressure Diels-Alder Reactions of 1-Methoxycarbonyl-3-Methylthio- and -3-phenylthiopyrrole. An efficient Entry to 7-Azabicyclo[2.2.1]heptanes
Jan Keijsers, Benno Hams, Chris Kruse, and Hans Scheeren
Vol 29, Issue 1, 1989, pp.79-86,
COM-88-4662
Abstract     PDF (225KB)
 

Paper
Tetranortriterpemoids from Azadirachta Indica A, Juss (Meliaceae)
Salimuzzaman Siddiqui, Bina Shaheen Siddiqui, Tariq Mahmood, and Shaheen Faizi
Vol 29, Issue 1, 1989, pp.87-96,
COM-88-4683
Abstract     PDF (220KB)
 

Paper
Synthesis of 4-Unsubstituted Isothiazoles
Francesco Lucchesini, Nevio Picci, Marco Pocci, Angela De Munno, and Vincenzo Bertini
Vol 29, Issue 1, 1989, pp.97-102,
COM-88-4686
Abstract     PDF (140KB)
 

Paper
Flash-Vacuum Pyrolysis of 1,2,4-Triazolides: A New Synthesis of Functionalized Oxazoles
André Maquestiau, Robert Flammang, and Fouad-Bachir Ben Adbelouahab
Vol 29, Issue 1, 1989, pp.103-114,
COM-88-4697
Abstract     PDF (271KB)
 

Paper
Photosensitized Dehydrogenation of Flavanones to Flavones Using 2,4,6-Triphenylpyrylium Tetrafluoroborate (TPT)
María J. Climent, Hermenegildo García, Sara Iborra, Miguel A. Miranda, and Jamie Primo
Vol 29, Issue 1, 1989, pp.115-121,
COM-88-4721
Abstract     PDF (144KB)
 

Paper
Alkylation and Arylation of Pyrazines by Organotin Compounds
Tokuhiro Watanabe, Kazuhiro Hayashi, Jun Sakurada, Michiyo Ohki, Noriko Takamatsu, Harumi Hirohata, Keiko Takeuchi, Kayo Yuasa, and Akihiro Ohta
Vol 29, Issue 1, 1989, pp.123-131,
COM-88-4728
Abstract     PDF (214KB)
 

Paper
Synthesis of New Racemic Bicyclic γ- and δ-Lactams Based on Two-fold Intramolecular Cyclization
Eddie ViPing Tao, John Brennan, Kohn Keith Swartzendruber, and Jack Billie Deeter
Vol 29, Issue 1, 1989, pp.133-140,
COM-88-4736
Abstract     PDF (148KB)
 

Paper
Annelation of Quinoxaline by Sulfur Stabilized Carbanions
Jean-Michel Vierfond, Lucien Legendre, Jacqueline Mahuteau, and Marcel Miocque
Vol 29, Issue 1, 1989, pp.141-153,
COM-88-4739
Abstract     PDF (257KB)
 

Communication
Witting Reactions of 1-Alkoxycarbonyl-2-hydroxypyrrolidines and -piperidines: Syntheses of (±)-Hygrine and (±)-2-Epilasubine II
Tatsuo Nagasaka, Hiroto Yamamoto, Hideki Hayashi, Mariko Watanabe, and Fumiko Hamaguchi
Vol 29, Issue 1, 1989, pp.155-164,
COM-88-4740
Abstract     PDF (283KB)
 

Paper
Tautomerism of Bis(2-bensothiazolyl)arylmethanes
M. Teresa Ramos, Carmen Avendaño, José Elguero, M. Luisa Jimeno, Juana Bellanato, Feliciana Florencío, and Julia Sanz-Aparicio
Vol 29, Issue 1, 1989, pp.165-180,
COM-88-4746
Abstract     PDF (327KB)
 

Paper
New Total Synthesis of Patulin
Julio A. Seijas, M. Pilar Vázquez Tato, Ramón Estévez, Luis Castedo, and Ricardo Riguera
Vol 29, Issue 1, 1989, pp.181-184,
COM-88-4761
Abstract     PDF (114KB)
 

Paper
Mass Spectometric Fragmentation of the Protonated Sydnones under Chemical Ionization
Ling-ling Tien, Shaw-Tao Lin, and Hui-Jean Chiang
Vol 29, Issue 1, 1989, pp.185-193,
COM-88-4766
Abstract     PDF (238KB)
 

Paper
On the Structure of Sanggenon Q, A New Diels-Alder Type Adduct from Morus mongolica Schneider
Jin Yun Sun, Yoshio Hano, and Taro Nomura
Vol 29, Issue 1, 1989, pp.195-202,
COM-88-4771
Abstract     PDF (179KB)
 

Communication
Diterpenoid Alkaloids from Delphinium pictum Willd. The Structure of Pictumine
Gabriel de la Fuente, Rafael Díaz Acosta, and Tomás Orribo
Vol 29, Issue 2, 1989, pp.205-208,
COM-89-4506
Abstract     PDF (74KB)
 

Communication
Cleavage Reactions of Penicillin Nuclei with Seyferth Reagents
Jahyo Kang, Weon Bin Im, Soon-gyu Choi, Daesung Lim, Young Ro Choi, Hyung Geun Cho, and Jae Hyoung Lee
Vol 29, Issue 2, 1989, pp.209-212,
COM-89-4783
Abstract     PDF (66KB)
 

Communication
An Efficient Cyclosulfurization of N-(2-Hydroxyphenyl)thioamides with Superoxide. A Novel Route to Benzoxazoles
Yong Hae Kim, Yong Il Kim, Hae Subg Chang, and Dae Chul Yoon
Vol 29, Issue 2, 1989, pp.213-216,
COM-89-4785
Abstract     PDF (86KB)
 

Communication
The Reduction of 4-Acyk-β-lactams with Sodium Borohydride. A Possible Dichotomy of Stereochemical Pathways
Benito Alcaide, Gema Dominguez, and Joaquín Plumet
Vol 29, Issue 2, 1989, pp.217-220,
COM-89-4789
Abstract     PDF (102KB)
 

Communication
The Absolute Configuration of (+)-Canadaline
Miyoji Hanaoka, Kazuyoshi Nagami, and Shingo Yasuda
Vol 29, Issue 2, 1989, pp.221-224,
COM-89-4792
Abstract     PDF (74KB)
 

Communication
Falconericine and Falconeridine: Two New Alkaloids from Aconitum falconeri Stapf.
Haridutt K. Desai and S. William Pelletier
Vol 29, Issue 2, 1989, pp.225-230,
COM-89-4795
Abstract     PDF (144KB)
 

Communication
Praziquantel Analogues. II. Synthesis of 4-Oxo-octahydropyrazino[1’,2’:1,2]pyrido[3,4-b]- and -[4,3-b]indoles
Nativitat Valls, Víctor M. Segarra, Xavier López, and Joan Bosch
Vol 29, Issue 2, 1989, pp.231-236,
COM-89-4798
Abstract     PDF (128KB)
 

Communication
Addition of Indoles to N-Alkylpyridinium Salts. Synthesis of (Dihydropyridyl)indoles
Mercedes Alvarez, Rodolfo Lavilla, and Joan Bosch
Vol 29, Issue 2, 1989, pp.237-242,
COM-89-4799
Abstract     PDF (117KB)
 

Communication
A New Enantioselective Route to (+)-Quebrachamine
Morio Asaoka and Hisashi Takei
Vol 29, Issue 2, 1989, pp.243-244,
COM-89-4810
Abstract     PDF (52KB)
 

Communication
Ring Transformation of 1,2,6-Thiadiazine 1,1-Dioxides into Pyrazoles. A Convenient Syntjesis of N-Alkylsulfamides
José Elguero, Pilar Goya, and Ana Martínez
Vol 29, Issue 2, 1989, pp.245-248,
COM-89-4814
Abstract     PDF (86KB)
 

Communication
Nucleophilic Cleavage of (2S,3S)-3-Phenylglycidol
Seiichi Takano, Masashi Yanase, and Kunio Ogasawara
Vol 29, Issue 2, 1989, pp.249-252,
COM-89-4815
Abstract     PDF (96KB)
 

Communication
The Nucleophilic Reaction of Tricarbonyl(2-3-η-1H-azepine)iron. Novel Prepration and Thermal 1,5-Hydrogen Migration of 3-(1,3,5-Cycloheptatrien)-3H-azepine
Makoto Nitta, Kazusato Shibata, and Hiroyuki Miyano
Vol 29, Issue 2, 1989, pp.253-256,
COM-89-4817
Abstract     PDF (99KB)
 

Communication
The Di-π-methane Rearrangement in 3,4-Dibenzyl-2(5H)-furanone
Takefumi Momose, Genzoh Tanabe, Hisayuki Tsujimori, Mié Higashiura, Ichiroh Imanishi, and Kenichi Kanai
Vol 29, Issue 2, 1989, pp.257-262,
COM-89-4825
Abstract     PDF (146KB)
 

Communication
Reinvestigation of Cycloaddition of Nitrosobenzene towards 1,3-Diphenylisobenzofurans
Cheng-Tung Lin, Li-Wei Din, and Sue-Lein Wang
Vol 29, Issue 2, 1989, pp.263-268,
COM-89-4826
Abstract     PDF (124KB)
 

Communication
Synthesis of Natural (S)-(—)-Tulipalin B Starting from L-Malic Acid as a Chiral Pool
Osamu Muraoka, Naoki Toyooka, Yumiko Ohshima, Norihiko Narita, and Takefumi Momose
Vol 29, Issue 2, 1989, pp.269-272,
COM-89-4832
Abstract     PDF (85KB)
 

Paper
Base-catalysed Condensation of 2,5-Dimethy-1-phenylpyrrole-3,4-dicarbaldehyde with β-Diketones
Jasna Vorkapic-Furac and Mihela Suprina
Vol 29, Issue 2, 1989, pp.273-279,
COM-89-4479
Abstract     PDF (154KB)
 

Paper
Synthesis of Some β-(1-Benzimidazolyl)- and β-(1-Benzotriazolyl)-α-amino Acid Derivatives
Mojca Dobnikar, Marijan Kocevar, Slovenco Polanc, Miha Tisler, and Bojan Vercek
Vol 29, Issue 2, 1989, pp.281-286,
COM-89-4664
Abstract     PDF (135KB)
 

Paper
[4+2]Cycloadducts of 5-Benzyloxy-2-pyridone with Electron Deficient Dienophiles. Regio- and Stereochemistry
Claus Herdeis and Claudia Hartke
Vol 29, Issue 2, 1989, pp.287-296,
COM-89-4703
Abstract     PDF (230KB)
 

Paper
Sigmatropic Rearrangement in Synthesis of C-8 Prenylated 3-(1’,1’-Dimethylallyl)coumarins: 3-(1’,1’-Dimethylallyl)seselin
Rosario Hernández Galán, Guillermo M. Massanet, Enrique Pando, Francisco Rodríguez Luis, and Javier Salvá
Vol 29, Issue 2, 1989, pp.297-300,
COM-89-4710
Abstract     PDF (114KB)
 

Paper
17O Nmr Spectroscopy of Lactones
David W. Boykin, David W. Sullins, and E. J. Eisenbraun
Vol 29, Issue 2, 1989, pp.301-306,
COM-89-4714
Abstract     PDF (129KB)
 

Paper
17O Nmr Spectroscopy of Lactams
David W. Boykin, David W. Sullins, N. Pourahmady, and E. J. Eisenbraun
Vol 29, Issue 2, 1989, pp.307-312,
COM-89-4716
Abstract     PDF (142KB)
 

Paper
Heterocyclic Spiro Compounds. III. Synthesis of [2R*,11bR*]-9.10-Dimethoxy-1,3,4,6,7,11b-hexahydrobenzo[a]quinolizine-2-spiro-3’-pyrrolidines and [2R*,11bR*]-9,10-Dimethoxy-1,3,4,6,7,11b-hexahydrobenzo[a]quinolizine-2-spiro-3’-pyrrolidin-2’-ones
J. Carlos Menéndez and Mónica M. Söllhuber
Vol 29, Issue 2, 1989, pp.313-319,
COM-89-4725
Abstract     PDF (160KB)
 

Paper
Ab Initio Quantum-Chemical Study of the Influence of Mehtyl Substitution on the Redox Behaviour of 1,4-Dihydronicotinamides. Part 2: The Supermolecule Approach.
Jan D. Bossaerts, Frank C. Alderweireldt, and Paul Geerlings
Vol 29, Issue 2, 1989, pp.321-337,
COM-89-400
Abstract     PDF (321KB)
 

Paper
Rearrangements of Arylhydrazones of N-Acylbenzimidazoles - Synthesis of 2-Aryl-1,2,4-triazolo[4,3-a]quinoxalinium Salts
Giuseppe Cusmano and Gabriella Macaluso
Vol 29, Issue 2, 1989, pp.339-348,
COM-89-4748
Abstract     PDF (229KB)
 

Paper
Reactivity of Isoselenazoles towards Nucleophilic Reagents
Francesco Lucchesini, Nevio Picci, Marco Pocci, Angela De Munno, and Vincenzo Bertini
Vol 29, Issue 2, 1989, pp.349-354,
COM-89-4758
Abstract     PDF (136KB)
 

Paper
A New Neoflavanoid from Coutarea hexandra
Giuliano Delle Monache, Bruno Botta, Vittorio Vinciguerra, and Eszter Gacs-Baitz
Vol 29, Issue 2, 1989, pp.355-357,
COM-89-4773
Abstract     PDF (82KB)
 

Paper
New Atypical Antidepressants: An Efficient Process for Preparing cis-1,3,4,6,7,11b-Hexahydro-2-methyl-7-aryl-2H-pyrazino[2,1-a]isoquinolines
Richard J. Schmiesing and James R. Matz
Vol 29, Issue 2, 1989, pp.359-363,
COM-89-4777
Abstract     PDF (145KB)
 

Paper
Mild Synthesis of N-Alkyl- and N-Alkyl-β-carboline Anhydoro-bases Using Trifluoromethanesulfonates
Robert H. Dodd, Guillaume Poissonnet, and Pierre Potier
Vol 29, Issue 2, 1989, pp.365-380,
COM-89-4782
Abstract     PDF (347KB)
 

Paper
Formal Synthesis of the Indole Alkaloids Ngouniensine and Epingouniensine
M. -Lluïsa Bennasar, Ester Zulaica, Ramon Vila, and Joan Bosch
Vol 29, Issue 2, 1989, pp.381-390,
COM-89-4800
Abstract     PDF (238KB)
 

Paper
Reaction of Bis(3,3-dimethyl-2-oxobutyl)sulfide with Lawesson’s Reagent. Formation of 1,4-Di-t-butyl-2,5,7-trithia[2.2.1]heptane and 2,5- and 2,6-Di-t-butyl-1,4-dithiins
Juzo Nakayama, Keum Soo Choi, Shoji Yamaoka, and Masamatsu Hoshino
Vol 29, Issue 2, 1989, pp.391-396,
COM-89-4807
Abstract     PDF (137KB)
 

Paper
Sulfur-containing Dioxopiperazine Derivatives from Emericella heterothallica
Nobuo Kawahara, Koohei Nozawa, Shoichi Nakajima, Mikio Yamazaki, and Ken-ichi Kawai
Vol 29, Issue 2, 1989, pp.397-402,
COM-89-4813
Abstract     PDF (150KB)
 

Paper
Synthesis of 1-Cyano-2-phenyl-1,2,4,5-tetrahydro-3H-3-benzazepines
Kazuhiko Orito, Hiroshi Suginome, and Russel Rodrigo
Vol 29, Issue 2, 1989, pp.403-409,
COM-89-4824
Abstract     PDF (237KB)
 

Communication
Peperomins A, B, and C, Novel Secolignans from Peperomia japonica
Chiu-Ming Chen, Feng-Yih Jan, Ming-Tyan Chen, and Tsong-Jen Lee
Vol 29, Issue 3, 1989, pp.411-414,
COM-89-4796
Abstract     PDF (108KB)
 

Communication
A Convenient Reductive Cyclisation of 2-Nitro-β-nitrostyrenes to Indoles
Sundramoorthi Rajeswari, Kevin J. Drost, and Michael P. Cava
Vol 29, Issue 3, 1989, pp.415-418,
COM-89-4803
Abstract     PDF (88KB)
 

Communication
Glycosylaziridine Derivatives
Jean M. J. Tronchet and Mohamed A. M. Massoud
Vol 29, Issue 3, 1989, pp.419-426,
COM-89-4804
Abstract     PDF (174KB)
 

Communication
An Efficient Total Synthesis of AC-5-1: Novel 5-Lipoxygenase Inhibitor Isolated from Artocarpus communis
Jun Nakano, Katsuhiro Uchida, and Yasuo Fujimoto
Vol 29, Issue 3, 1989, pp.427-430,
COM-89-4827
Abstract     PDF (75KB)
 

Communication
Study on the Structure of Pseudocrown Ether Formed in the Reaction of Ionophore 6-O-BPY1 and Cu+ by 500 MHz 1H Nmr Spectrometry
Tatsuya Nabeshima, Tadashi Inaba, and Naomichi Furukawa
Vol 29, Issue 3, 1989, pp.431-434,
COM-89-4828
Abstract     PDF (87KB)
 

Communication
Synthesis of 2,2-Disubstituted Succinimides and Their Regioselective Thiocarbonylation Reaction
Yoshiyuki Kosugi, Masako Kosugi, and Fumiko Hamaguchi
Vol 29, Issue 3, 1989, pp.435-440,
COM-89-4829
Abstract     PDF (161KB)
 

Communication
Synthesis, Crystal Structure, and Conformational Property of N, N’-Dimethyl-1,11-(methanoaminomehtano)-5H,7H-dibenzo[b,g][1,5]-thiazocine: a New Heterocyclic system
Hisashi Fujihara, Nobuo Oi, Ryouichi Akaishi, Takatoshi Kawao, and Naomichi Furukawa
Vol 29, Issue 3, 1989, pp.441-444,
COM-89-4852
Abstract     PDF (89KB)
 

Communication
Enantiocontrolled Approach to Natural Products Utilizing (S)-O-Benzylglycidol as Common Chiral Precursor
Seiichi Takano, Yoshinori Sekiguchi, and Kunio Ogasawara
Vol 29, Issue 3, 1989, pp.445-448,
COM-89-4848
Abstract     PDF (91KB)
 

Communication
Enantioselective Synthesis of 2,2-Disubstituted 3-Cyclopentenone from 3-Alkyl-4-thianones
Haruo Matsuyama, Yoshihiro Ebisawa, Michio Kobayashi, and Nobumasa Kamigata
Vol 29, Issue 3, 1989, pp.449-452,
COM-89-4868
Abstract     PDF (81KB)
 

Communication
α-Allylation of β-Tetronic Acids and Chirality Transfer via the 4-Oxygenated 2(5H)-Furanone System
Takefumi Momose, Naoki Toyooka, Hiromi Fujii, and Hironobu Yanagino
Vol 29, Issue 3, 1989, pp.453-458,
COM-89-4884
Abstract     PDF (142KB)
 

Communication
Intramolecular Cyclization of Methylthiofuropyridones
Takeaki Naito, Okiko Miyata, and Ichiya Ninomiya
Vol 29, Issue 3, 1989, pp.459-462,
COM-89-4892
Abstract     PDF (86KB)
 

Paper
Azafluorene and Aporphine Alkyloids from Polyalthia longifolia
Yang-Chang Wu
Vol 29, Issue 3, 1989, pp.463-475,
COM-89-4768
Abstract     PDF (297KB)
 

Paper
Synthesis of (±)-(2R*,11bS*)-3’-Aryl-9,10-dimethoxy-1,3,4,5,7,11b-hexahydrospiro[benzo[a]quinolizin-2,5’-oxazolidine]-2’,4’-diones
J. Carlos Menéndez, Carmen Avendaño, and Mónica M. Söllhuber
Vol 29, Issue 3, 1989, pp.477-484,
COM-89-4787
Abstract     PDF (159KB)
 

Paper
The Reaction of 2-Chiloro-10-N-methylphenothiazine with Aromatic Nitriles and Lithium Dialkylamides in THF: Synthesis Structure of 1-Cyano-2-(3’,4’,5’-trimethoxybenzyl)-10-N-methylphenothiazine
Edward R. Biehl, Subhash P. Khanapure, Upali Siriwardane, and Matt Tschantz
Vol 29, Issue 3, 1989, pp.485-496,
COM-89-4802
Abstract     PDF (256KB)
 

Paper
An Imprived Synthesis of 2-Carbamoyloxymethyl-1,4-dihydropyridine
Kunio Suzuki, Ryosuke Ushijima, Tetsuji Myiano, and Susumu Nakagawa
Vol 29, Issue 3, 1989, pp.497-509,
COM-89-4808
Abstract     PDF (290KB)
 

Paper
Photochemistry of 5-(2-Acetoxyaryl)-2(3H)-furanones. 2. Isolation of Chromome-3-acetic Acids and Their Photodecarboxylation to 3-Methychromones
Luis Fillol, Roberto Martínez-Utrilla, Miguel A. Miranda, amd Isabel M. Morera
Vol 29, Issue 3, 1989, pp.511-520,
COM-89-4819
Abstract     PDF (201KB)
 

Paper
Studies of the Chemical Constitutions of the Seeds of Peganum harmala; Isolation and Structure Elucidation of Two β-Carbolines — Harmalacine and Norharmine
Salimuzzaman Siddiqui, Obaid Yusuf Khan, Shaheen Faizi, and Bina Shaheen Siddiqui
Vol 29, Issue 3, 1989, pp.521-527,
COM-89-4834
Abstract     PDF (153KB)
 

Paper
Studies in the Formation of Oxidoles from Their Indolozabicyclo[3.3.1]nonane Counterparts and Implications for the Biogenesis of Alstonisine
Sean P. Hollinshead, Desirée S. Grubisha, Dennis W. Bennett, and James M. Cook
Vol 29, Issue 3, 1989, pp.529-537,
COM-89-4839
Abstract     PDF (205KB)
 

Paper
A Facile Synthesis of 2-Aryl- and 2-Heteroaryl-substituted 4-Aminoquinolines
Lucjan Strekowski, Suk-Bin Kong, Marek T. Cegla, and Donald B. Harden
Vol 29, Issue 3, 1989, pp.539-545,
COM-89-4846
Abstract     PDF (166KB)
 

Paper
Formation of Regioisomeric Tetrahydroisoxazolo[2,3-d][1,4]benzodiazepines by Kinetic and Thermodynamic Controls
Irina Merenda, Rosaria Ottanà, Giovanni Romeo, and Enrico Rotondo
Vol 29, Issue 3, 1989, pp.547-555,
COM-89-4858
Abstract     PDF (220KB)
 

Review
N-Substituted Pyridinium Salts
Wanda Sliwa and Barbara Mianowska
Vol 29, Issue 3, 1989, pp.557-595,
REV-89-386
Abstract     PDF (577KB)
 

Review
Heterocyclic Sonochemistry
Yu. Goldberg, R. Strukovich, and E. Lukevics
Vol 29, Issue 3, 1989, pp.597-627,
REV-89-398
Abstract     PDF (621KB)
 

Communication
Mass Spectrometric Evidence for Formation of the 2-Carbonyl-2H-indole Intermadiate
Mitsuo Akiba, Takanobu Maejima, Toyozo Takada, and Yasuo Shida
Vol 29, Issue 4, 1989, pp.629-634,
COM-89-4660
Abstract     PDF (91KB)
 

Communication
A One Step Transformation of 4α,5β-Epoxygermacranolide into Pseudoguaianolide
Alfredo Ortega and Emma Maldonado
Vol 29, Issue 4, 1989, pp.635-638,
COM-89-4837
Abstract     PDF (95KB)
 

Communication
Enantioselective Total Syntheses of (4R,6R)-(+)-4-Hydroxy-6-pentylvalerolactone, ex Cephalosporium recifei, and of (6R)-(—)-Massoialactone
Frank Bennett, David W. Knight, and Garry Fenton
Vol 29, Issue 4, 1989, pp.639-642,
COM-89-4853
Abstract     PDF (93KB)
 

Communication
New Reactions of Thallium Compounds: A Simple Synthesis of 4- and 7-Substituted Indoles Bearing a Nitro or an Azido Group
Masanori Somei, Fumio Yamada, Hirokazu Hamada, and Toshio Kawasaki
Vol 29, Issue 4, 1989, pp.643-648,
COM-89-4863
Abstract     PDF (142KB)
 

Communication
Strained Heterocyclic Systems. 16. 1-Azatriotycene
J. Hodge Markgraf, Kathryn J. Leonard, Marlene E. Morrison, and Christopher R. Myers
Vol 29, Issue 4, 1989, pp.649-651,
COM-89-4864
Abstract     PDF (72KB)
 

Communication
Si-Thall Reaction, a Method for Cross Coupling Silicon Compounds with Thallium Compounds
Masanori Somei, Toshiharu Ohta, Junko Shinoda, and Yoshimi Somada
Vol 29, Issue 4, 1989, pp.653-656,
COM-89-4869
Abstract     PDF (91KB)
 

Communication
Monofunctionalization Study of Furan-2,5-dicarboxaldehyde. Conformational Analysis and Model Reactions
Irmina Hernández-Fuentes, Cristina Abradelo, Carmen Domínguez, Aurelio G. Csáky, Joaquín Plumet, Carlos Cativiela, José Antoine Mayoral, Antonio Gaset, and Luc Rigal
Vol 29, Issue 4, 1989, pp.657-662,
COM-89-4874
Abstract     PDF (121KB)
 

Communication
Synthesis of the Enantiomeric Polyether Fragment of Tetranomycin
Kozo Hori, Keiichi Nomura, and Eiichi Yoshii
Vol 29, Issue 4, 1989, pp.663-666,
COM-89-4883
Abstract     PDF (96KB)
 

Paper
Synthesis of 4-Carbosubstituted Isoxazole Derivatives
Angel Alberola, Antonio Pérez Serrano, Ma Teresa Rodríguez Rodríguez, and Carmen Orozco
Vol 29, Issue 4, 1989, pp.667-677,
COM-89-4556
Abstract     PDF (268KB)
 

Paper
Photochemistry of β-(2-Furyl) Substituted o-Divinylbenzenes
Marija Sindler-Kulyk, Lidija Spoljaric, and Zeljko Marinic
Vol 29, Issue 4, 1989, pp.679-682,
COM-89-4629
Abstract     PDF (97KB)
 

Paper
Constituents of Brosimopsis oblongifolia. 4. Structures of Two New Diels-Alder Type Adducts, Brosimone B and Brosimone D
Irene Messana, Franco Ferrari, Josè Francisco de Mello, and Maria do Carmo Mesquita de Araujo
Vol 29, Issue 4, 1989, pp.683-690,
COM-89-4791
Abstract     PDF (178KB)
 

Paper
Synthesis and Reactions of Isoquinolines IV. Reactions of 3-Chloroisoquinoline-4-carbaldehydes
Elmar Konz and Wolfgang Rüger
Vol 29, Issue 4, 1989, pp.691-706,
COM-89-4821
Abstract     PDF (265KB)
 

Paper
Synthesis and Reactions of Isoquinoline Derivatives V. Synthesis and Reactions of 3-Chiloroisoquinoline-4-carboxylic Acids
Wilhelm Bartmann, Elmar Konz, and Wolfgang Rüger
Vol 29, Issue 4, 1989, pp.707-718,
COM-89-4820
Abstract     PDF (228KB)
 

Paper
The Behaviour of 4-Benzoyl-2-azetidinones with Bases. Regioselectivity in Their Alkylation Reactions
Benito Alcaide, Gema Dominguez, Angel Martín-Domenech, Inmaculade Martín, Carlos Cativiela, José A. Mayoral, and Joaquín Plumet
Vol 29, Issue 4, 1989, pp.719-727,
COM-89-4838
Abstract     PDF (253KB)
 

Paper
Isolation of Meliacin CInnamates from the Root Bark of Azadiracha indica A. Juss (Meliaceae)
Iffat Ara, Bina Shaheen Siddiqui, Shaheen Faizi, and Salimuzzaman Siddiqui
Vol 29, Issue 4, 1989, pp.729-735,
COM-89-4857
Abstract     PDF (152KB)
 

Paper
Heterocyclic Photorearrangements - Photoinduced Rearrangements of Some 3-Aroylamino-5-methyl-1,2,4-oxadiazoles
Silvestre Buscemi and Nicolò Vivona
Vol 29, Issue 4, 1989, pp.737-744,
COM-89-4860
Abstract     PDF (161KB)
 

Paper
Synthesis and Reactivity of 2-(1,3-Dithian-2-yl)indoles II. Synthesis of 2-Acylindole Derivatives
M. -Lluïsa Bennasar, Antoni Torrens, Mario Rubiralta, Joan Bosch, David S. Grierson, and Henri-Phillippe Husson
Vol 29, Issue 4, 1989, pp.745-760,
COM-89-4870
Abstract     PDF (474KB)
 

Paper
Synthesis and Reactions of Biginelli-Compounds, Part II. Nitration of 6-Methyl-2-oxo-1,2,3,4-tetrahydro-5-pyrimidinecarboxylates
C. Oliver Kappe and Urlike G. Wagner
Vol 29, Issue 4, 1989, pp.761-769,
COM-89-4882
Abstract     PDF (215KB)
 

Paper
Preparation of Alkyl-Substituted Indoles in the Benzene Portion. Part 1
Hideaki Muratake and Mitsutaka Natsume
Vol 29, Issue 4, 1989, pp.771-782,
COM-89-4887
Abstract     PDF (367KB)
 

Paper
Preparation of Alkyl-Substituted Indoles in the Benzene Portion. Part 2
Hideaki Muratake and Mitsutaka Natsume
Vol 29, Issue 4, 1989, pp.783-794,
COM-89-4888
Abstract     PDF (377KB)
 

Paper
Synthesis of 1,7-Dideaza-2’-deoxyadenosine and Related Pyrrolo[2,3-b]pyridine 2’-Deoxy-β-D-ribonucleosides: Stereoselective Phase-Transfer Glycpsylation via the Nucleobase Anion
F. Seela and R. Gumbiowski
Vol 29, Issue 4, 1989, pp.795-805,
COM-89-4898
Abstract     PDF (244KB)
 

Paper
Two New Phenolic Compounds, Kuwanols C and D, from the Root Bark of a Mulberry Tree Redifferentiated from the Callus Tissues
Yoshio Hano, Shinkichi Suzuki, Taro Nomura, and Shinichi Ueda
Vol 29, Issue 4, 1989, pp.807-813,
COM-89-4906
Abstract     PDF (177KB)
 

Review
Polymerization and/or Rearrangement Reactions of Acronycine and Related Compounds
Shinji Funayama and Geoffrey A. Cordell
Vol 29, Issue 4, 1989, pp.815-837,
REV-89-402
Abstract     PDF (490KB)
 

Communication
Formation of Thiocyanates by Ring Cleavage from 2-Imino-5,6-dihydro-4H-1,3-thiazine
Mitsuhiro Ichinari and Yoshio Hayase
Vol 29, Issue 5, 1989, pp.841-845,
COM-89-4867
Abstract     PDF (101KB)
 

Communication
A Simple Synthesis of Amphimedine
Rolf H. Prager and Chris Tsopelas
Vol 29, Issue 5, 1989, pp.847-848,
COM-89-4897
Abstract     PDF (53KB)
 

Communication
The Directed Lithiation of Isogramine and Subsequent Reactions with Electrophiles in the Preparation of 2-Substitutes Isogramine Derivatives
Dennis J. Hlasta and Malcolm R. Bell
Vol 29, Issue 5, 1989, pp.849-852,
COM-89-4914
Abstract     PDF (95KB)
 

Communication
Ring Construction of Bicyclic-β-lactam by Use of Palladium Catalyzed Carbonylation
Miwako Mori, Yukako Higuchi, Katsuji Kagechika, and Masakatsu Shibasaki
Vol 29, Issue 5, 1989, pp.853-856,
COM-89-4925
Abstract     PDF (93KB)
 

Communication
A New and Convenient Synthesis of Macarpine and Dihydromacrpine from Oxychelirubine
Miyoji Hanaoka, Won Jea Cho, Shuji Yoshida, Tsukasa Fueki, and Chisato Mukai
Vol 29, Issue 5, 1989, pp.857-860,
COM-89-4926
Abstract     PDF (92KB)
 

Communication
Bicornin, A New Hydrolyzable Tannin from Trapa bicronis, and Revised Structure of Alnusiin
Takashi Yoshida, Kazufumi Yazaki, M. Usman Memon, Izumi Maruyama, Kenji Kurokawa, and Takuo Okuda
Vol 29, Issue 5, 1989, pp.861-864,
COM-89-4951
Abstract     PDF (92KB)
 

Paper
Synthesis of (—)-3-Butyl-4-hydroxyphthalide
Yoshimitsu Ogawa, Kunio Hosaka, Masao Chin (Chen Zhengxiong) and Hiroshi Mitsuhashi
Vol 29, Issue 5, 1989, pp.865-872,
COM-98-4809
Abstract     PDF (188KB)
 

Paper
Studies on Aconitum Species. VIII. Components of "Kako-Bushi-Matsu"
Takao Mori, Takatomi Ohsawa, Mitsuo Murayama, Hideo Bando, Koji Wada, and Takashi Amiya
Vol 29, Issue 5, 1989, pp.873-885,
COM-89-4816
Abstract     PDF (320KB)
 

Paper
Meso-tetrakis[2.2]paracyclophanylporphyrin: Unusual Stereoisomerism of a Porphyrin Derivative
Leszek Czuchajowski, Stefan Goszczynski, and Antoni K. Wisor
Vol 29, Issue 5, 1989, pp.887-894,
COM-89-4844
Abstract     PDF (203KB)
 

Paper
Novel Exchange Reaction of 2-Imino or 2-Thiono Derivatives of 1,3-Thiazines and 1,3-Oxazines with p-Toluenesulfonyl Isocynate
Mitsuhiro Ichinari and Yoshio Hayase
Vol 29, Issue 5, 1989, pp.895-898,
COM-89-4866
Abstract     PDF (71KB)
 

Paper
Synthesis of Heterocyclic Compounds Isosterically Related to Pyrazolo[4,3-c]quinolines as Benzodiazepine Receptor Ligands
Hirohisa Shindo, Toshio Fujishita, Takashi Sasatani, Nobuo Chomei, and Susumu Takada
Vol 29, Issue 5, 1989, pp.899-912,
COM-89-4881
Abstract     PDF (393KB)
 

Paper
Novel Reactions of Carbon Suboxide. IX. Synthesis of 2H-Pyran-2-one Derivatives
Leonardo Bonsignore, Salvadore Cabiddu, Giuseppe Loy, and Daniela Secci
Vol 29, Issue 5, 1989, pp.913-919,
COM-89-4886
Abstract     PDF (159KB)
 

Paper
Convenient Preparation of Iridodial by Reduction of Nepetalactone. Corroboration for the Role of Iridodil as an Indole Alkaloid Precursor in a Catharanthus roseus Cell Suspension
John Balsevich and Greg Bishop
Vol 29, Issue 5, 1989, pp.921-924,
COM-89-4890
Abstract     PDF (102KB)
 

Paper
Synthesis of 3-Carboethixy-4-oxo-4H-pyrimido[1’,2’:1,5][1,2,4]triazolo[3,4-b]benzoxazole and 5H-Pyrido[3",2":5’,6’]pyrimido[1’,2’:1,5][1,2,4]triazolo[3,4-b]benzoxazole-5-one: Novel Heterocycles
Thallapalli Ramalingam, Madugula Sree Rama Murty, and Pralhad Balvantrao Sattur
Vol 29, Issue 5, 1989, pp.925-928,
COM-89-4901
Abstract     PDF (89KB)
 

Paper
The Structure and Nmr Spectra of Some Diels-Alder Adducts of Nitrosobenzene, p-Nitrosotoluene and 1-Chloro-1-nitrosocyclohexane
Henryk Labaziewicz and Karl R. Lindfors
Vol 29, Issue 5, 1989, pp.929-938,
COM-89-4902
Abstract     PDF (254KB)
 

Paper
Alkylation and Arylation of Pyrazines by Organoboron Compounds
Akihiro Ohta, Ryoichi Itoh, Yasunobu Kaneko, Haruo Koike, and Kayo Yuasa
Vol 29, Issue 5, 1989, pp.939-945,
COM-89-4904
Abstract     PDF (140KB)
 

Paper
Oxidation Studies on β-Lactam Antibiotics: 2β-Heteroarylthiomethyloanems
Rajeshwar Singh, Maya P. Singh, and Ronald G. Micetich
Vol 29, Issue 5, 1989, pp.947-956,
COM-89-4918
Abstract     PDF (228KB)
 

Paper
Synthesis of 2-Methyl-4-phenyl-1,2,3,4-tetrahydroisoquinolin-4-ol Derivatives by a Novel Insertion of Aryl-Nickel Complexes
Masaru Kihara, Akinori Nakanishi, and Shigeru Kobayashi
Vol 29, Issue 5, 1989, pp.957-965,
COM-89-4920
Abstract     PDF (232KB)
 

Paper
1,3-Dipolar Cycloadditions with Methyl 4-Oxo- and 4-Hydroxy-2-butynoates. Synthesis of Functionalized Pyrazoles and Triazoles
Francisco Fariña, Pilar Fernández, M. Teresa Fraile, M. Victoria Martín, and M. Rozario Martín
Vol 29, Issue 5, 1989, pp.967-974,
COM-89-4930
Abstract     PDF (250KB)
 

Paper
A Novel and Facile Synthesis of 5-Substituted 1,3-Dioxolane-2,4-diones Using Trichloromethyl Chloroformate
Kouhei Toyooka, Yoshiyuki Takeuchi, and Seiju Kubota
Vol 29, Issue 5, 1989, pp.975-978,
COM-89-4939
Abstract     PDF (105KB)
 

Paper
Substituted Spiro[pyrrolidine-5,2’-tricyclo[3.3.1.13,7]decane] Derivatives
Christpher G. Acker, George B. Mullen, Lesley A. Radov, Laura A. Trusso, Dietgard K. Kamp, and Vassil St. Georgiev
Vol 29, Issue 5, 1989, pp.979-983,
COM-89-4942
Abstract     PDF (138KB)
 

Paper
Condensed Thienopyrimidines 3. Synthesis of Angular Annelated Oxazolo[2,3-b]thienopyrimidin-5-one Derivatives
Mitsuo Sugiyama, Toshiaki Sakamoto, and Hiroshi Fukumi
Vol 29, Issue 5, 1989, pp.985-992,
COM-89-4952
Abstract     PDF (235KB)
 

Communication
Continuing Investigation on the Constituents from Aconitum flavum
Zhi-gang Chen, Ai-na Lao, Hong-cheng Wang, and Shan-hai Hong
Vol 29, Issue 6, 1989, pp.997-1002,
COM-89-4560
Abstract     PDF (162KB)
 

Communication
Intramolecular Cycloadditions with Isobenzofurans-VI. A Novel Entry into the Field of Annelated 1,2-Benzisoxazoles
Lutz Assmann and Willy Friedrichsen
Vol 29, Issue 6, 1989, pp.1003-1004,
COM-89-4891
Abstract     PDF (60KB)
 

Communication
Reactions of 5-Bromo-2-methoxytropone and 8-Bromo- and 6,8-Dibromocyclohepta[b][1,4]benzoxazines with o-Aminophenol
Tetsuo Nozoe, Hidetsugu Wakabayashi, and Sumio Ishikawa
Vol 29, Issue 6, 1989, pp.1005-1012,
COM-89-4900
Abstract     PDF (192KB)
 

Communication
Palladium-catalyzed Indole and Benzofuran Ring Formation Accompanying Carbonylation
Yoshinori Kondo, Takao Sakamoto, and Hiroshi Yamanaka
Vol 29, Issue 6, 1989, pp.1013-1016,
COM-89-4945
Abstract     PDF (87KB)
 

Communication
New C19-Diterpenoid Alkaloids from Delphinium nuttallianum Pritz
Yili Bai, Michael Benn, and Walter Majak
Vol 29, Issue 6, 1989, pp.1017-1021,
COM-89-4948
Abstract     PDF (138KB)
 

Communication
Total Synthesis of AK-Toxin II
Kenshi Ando, Takae Yamada, Yoshihisa Takaishi, and Masayuki Shibuya
Vol 29, Issue 6, 1989, pp.1023-1027,
COM-89-4958
Abstract     PDF (112KB)
 

Communication
Ctystallographic Evidence of Stereoselective exo-Cycloaddition for 1,3-Dipolar Reaction of 3,5-Dimethypyridine N-oxide with N-Substituted Maleimides and Some Comments
Kazunobu Harano, Toshikazu Matsuoka, Masashi Eto, Tatsuya Matsuzaki, and Takuzo Hisano
Vol 29, Issue 6, 1989, pp.1029-1032,
COM-89-4962
Abstract     PDF (90KB)
 

Communication
Syntheses of an Alkaloid, (±)-3-Demethoxyerythratidinone
Hiroshi Irie, Kuniyo Shibata, Kouya Matsuno, and Yong Zhang
Vol 29, Issue 6, 1989, pp.1033-1035,
COM-89-4978
Abstract     PDF (64KB)
 

Communication
Structure and Absolute Configuration of the Ochrosia Alkaloid Ochromianine: Syntheses of (±)- and (—)-Ochromianine
Tozo Fujii, Masashi Ohba, Takeshi Tachinami, Takako Ohashi, Michel Koch, and Elisabeth Seguin
Vol 29, Issue 6, 1989, pp.1037-1040,
COM-89-5015
Abstract     PDF (105KB)
 

Paper
Electron Transfer - Induced Photochemical Reactions in Imide- RXCH2 TMS Systems. Photoaddition of α-Trimethylsilyl Substituted Heteroatom Containing Compounds to Phthalimides
Ung-Chan Yoon, Hyun-Jin Kim, and Patrick S. Mariano
Vol 29, Issue 6, 1989, pp.1041-1064,
COM-89-4762
Abstract     PDF (495KB)
 

Paper
Fused Heterocyclic System. Note I. Pyrano[3,4-c]pyrrole-4,7(2H.6H)-dione. Synthesis and General Pharmacological Screening
Sergio Caronna, Liliana Lamartina, Salvatore Petruso, Vincenzo Spiro, Antonina Caruso, and Antonio Felice
Vol 29, Issue 6, 1989, pp.1065-1076,
COM-89-4769
Abstract     PDF (246KB)
 

Paper
Preparation of 4-Amino-3(2H)-pyridazinones by Direct Amination of 3(2H)-Pyridazinones with Hydrazine
William J. Coates and Alexander McKillop
Vol 29, Issue 6, 1989, pp.1077-1090,
COM-89-4836
Abstract     PDF (313KB)
 

Paper
A New Isoquinoline Alkaloid Papraine from Fumaria indica
Atta-ur-Rahman, Mohammad Khalid Bhatti, Hussain Ahmad, Habib-ur-Rahman, and David S. Rycroft
Vol 29, Issue 6, 1989, pp.1091-1095,
COM-89-4856
Abstract     PDF (106KB)
 

Paper
A One-pot Formation of the Analogues of Cherylline- and Latifine-type 4-Aryl-1,2,3,4-tetrahydroisoquinolines
Masaru Kihara, Seiichiro Iguchi, Yasuhiro Imakura, and Shigeru Kobayashi
Vol 29, Issue 6, 1989, pp.1097-1105,
COM-89-4889
Abstract     PDF (218KB)
 

Paper
C(2)-Carboxy and Carboxymethyl Cephems
Douglas O. Spry, Nancy J. Snyder. David A. Preston, and Chyun-Yen E. Wu
Vol 29, Issue 6, 1989, pp.1107-1118,
COM-89-4895
Abstract     PDF (217KB)
 

Paper
Constituents of Dragon’s Blood. Part III. Dracooxepine, a Novel Type of Biflavanoid
Alberto Arnone, Gianluca Nasini, and Lucio Merlini
Vol 29, Issue 6, 1989, pp.1119-1125,
COM-89-4899
Abstract     PDF (169KB)
 

Paper
Isolation, Structure Elucidation, and Synthesis of the Major Anaerobic Bacterial Metabolite of the Dietary Carcinogen 2-Amino-3,4-dimethyl-3H-imidazo[4,5-f]quinoline (MeIQ)
Mohammad Bashir, David G. I. Kingston, Robert J. Carmen, Roger L. Van Tassell, and Tracy D. Wilkins
Vol 29, Issue 6, 1989, pp.1127-1135,
COM-89-4905
Abstract     PDF (218KB)
 

Paper
Synthssis of 1H-Pyrrolo[1,2-c]imidazoles
Branislav Musicki, Mary F. Malley, and J. Z. Gougoutas
Vol 29, Issue 6, 1989, pp.1137-1148,
COM-89-4911
Abstract     PDF (301KB)
 

Paper
Alkylation and Acylation of 2-Hydroxy-9(10H)-acridinone and 2-Hydroxy-9(10H)-thioacridinone
Djéridi Dhif, Jean-Pieerre Galy, Emile-Jean Vincent, and Jacquwa Barbe
Vol 29, Issue 6, 1989, pp.1149-1162,
COM-89-4915
Abstract     PDF (234KB)
 

Paper
Heterocycles from Nitrile Imines. Part II. Synthesis and Ring-chain Tautomerism of 1,2,3,4-Tetrahydro-s-tetrazines
Ahmad Q. Hussein, Mustafa M. El-Abadelah, Khalid Al-Adhami, and Ahmad S. Abushamleh
Vol 29, Issue 6, 1989, pp.1163-1170,
COM-89-4924
Abstract     PDF (179KB)
 

Paper
A Reconfirmation of the Reaction of Glucosyl Isothiocyanate with 2-Chloroethylamine
Haruo Ogura, Kazuyoshi Takeda, and Hiroaki Takayanagi
Vol 29, Issue 6, 1989, pp.1171-1177,
COM-89-4932
Abstract     PDF (135KB)
 

Paper
Tris-N,N’,N"’-(3’,4’,5’-trimethoxyphenethyl)-1,3,5-hexahydrotriazine, a Methylenemescaline Trimer: Characterization and Selective Cyclization to Anhalinine under Non-aqueous Conditions
Linda A. Chrisey and Arnold Brossi
Vol 29, Issue 6, 1989, pp.1179-1183,
COM-89-4943
Abstract     PDF (118KB)
 

Paper
Facile Synthesis of 2-(5-Isopropyl-5-methyl-4-oxo-2-imidazolin-2-yl)phenyl Phosphonates
Hideyuki Takenaka and Yoshio Hayase
Vol 29, Issue 6, 1989, pp.1185-1189,
COM-89-4954
Abstract     PDF (129KB)
 

Paper
Stereochemical Studies on 7- and 9-Substitutes 3-Azabicyclo[3.3.1]nonanes (3-ABNs)
Ramasubbu Jeyaraman and Muthiah Manoharan
Vol 29, Issue 6, 1989, pp.1191-1197,
COM-89-4955
Abstract     PDF (154KB)
 

Paper
Efficient Olefin Synthesis Using the Pyrazinylsulfunyl Group
Akihiro Ohta, Yoshiko Tonomura, Hiroko Odashima, Nahoko Fujiwara, and Makoto Shimazaki
Vol 29, Issue 6, 1989, pp.1199-1207,
COM-89-4960
Abstract     PDF (194KB)
 

Paper
Stereoselective Synthesis of (±)-Epilupinine
Tatsuo Nagasaka, Hiroto Yamamoto, Hideki Hayashi, Hiroki Kato, Miyako Kawaida, Kazuhiro Yamaguchi, and Fumiko Hamaguchi
Vol 29, Issue 6, 1989, pp.1209-1216,
COM-89-4972
Abstract     PDF (221KB)
 

Communication
2-Amino-3-cyano-4,5-dimethylfuran as Precursors to Butenolides and Arylacetic Acids
Hooshang Kooshakabadi, Walter F. Schmidt, Stephen J. Cutler, Fiesal M. El-Kabbani, and C. DeWitt Blanton, Jr.
Vol 29, Issue 7, 1989, pp.1221-1224,
COM-89-4927
Abstract     PDF (87KB)
 

Communication
A Convenient, One-pot Azulene Synthesis from Cyclohepta[b]furan-2-ones and Vinyl Ether and Its Analogues (I). Vinyl Ethyl Ether, Vinyl Acetates, Dihydrofurans, and Dihydropyrans as Reagent
Tetsuo Nozoe, Paw-Wang Yang, Chi-Phi Wu, Tin-Shan Huang, Te-Hsiang Lee, Harue Okai, Hidetsugu Wakabayashi, and Sumio Ishikawa
Vol 29, Issue 7, 1989, pp.1225-1232,
COM-89-4940
Abstract     PDF (212KB)
 

Communication
Synthesis of Novel Chiral2,3-Dihydro-1,3,4-thiadiazoles with Extremely High Optical Rotations: X-Ray Crystal Structure of (2R)-D-Mandelyl-5-methylthio-2-phenyl-2,3-dihydro-1,3,4-thiadiazole
Kouhei Toyooka, Yoshiyuki Takeuchi, Zenei Taira, and Seiji Kuboto
Vol 29, Issue 7, 1989, pp.1233-1236,
COM-89-4986
Abstract     PDF (71KB)
 

Communication
Preparation of β-Lactams from β-Amino Acids with Di-2-pyridyl Sulfite
Sunggak Kim, kyu Yang Yi, and Ja-Young Namkung
Vol 29, Issue 7, 1989, pp.1237-1240,
COM-89-4995
Abstract     PDF (79KB)
 

Communication
The First Synthesis of 4,5-Di-t-buthylpyridazine
Juzo Nakayama and Atsushi Hirashima
Vol 29, Issue 7, 1989, pp.1241-1242,
COM-89-5021
Abstract     PDF (56KB)
 

Communication
Intramolecular Cycloadditions with Isobenzofuran -VIII. Synthesis of Precurosors via an Oppé Reaction
Knut Hildebrandt and Willy Friedrichsen
Vol 29, Issue 7, 1989, pp.1243-1246,
COM-89-5022
Abstract     PDF (101KB)
 

Communication
Enantioselective Synthesis of (+)-Acetylphomalactone from 2-Furylcarbinols
Tetsuji Kametani, Yoko Tatsuzaki, Masayoshi Tsubuki, and Toshio Honda
Vol 29, Issue 7, 1989, pp.1247-1249,
COM-89-5026
Abstract     PDF (66KB)
 

Communication
A New and Simple Synthesis of 1-Hydroxyindole Derivatives
Masanori Somei and Toshiya Kawasaki
Vol 29, Issue 7, 1989, pp.1251-1254,
COM-89-5037
Abstract     PDF (110KB)
 

Paper
Palladium Homogeneous and Supported Catalysis: Synthesis of Functional Acetylenics and Cyclisation to Heterocycles
Didier Villemin and Delphine Goussu
Vol 29, Issue 7, 1989, pp.1255-1261,
COM-89-S129
Abstract     PDF (190KB)
 

Paper
Cyclization of Allyl Silanes — A Novel Approach to 2-Azabicyclo[3.3.0]octanes
Jean-Claude Gramain adn Ronald Remuson
Vol 29, Issue 7, 1989, pp.1263-1273,
COM-89-4910
Abstract     PDF (350KB)
 

Paper
Synthesis of 5β-Androsta-17β-(1’-oxocyclohex-2’-en-3’-yl)-3β,14β,diol-3-β-D-glucopyranoside, a Potent Cardiac Glucoside with High Safety Margin
Uttam K. Pati and Karel Wiesner
Vol 29, Issue 7, 1989, pp.1275-1282,
COM-89-4922
Abstract     PDF (229KB)
 

Paper
Generation and Cyclization of Nitrilium Ions from Amides
Robert E. Gawley and Sanjay R. Chemburkar
Vol 29, Issue 7, 1989, pp.1283-1292,
COM-89-4964
Abstract     PDF (331KB)
 

Paper
Two New Diterpenoid Alkaloids from Delphinium pacific giant and Revised 13C-Nmr Assignment of Delpheline
Hideo Bando, Koji Wada, Junko Tanaka, Sachie Kimura, Ekumi Hasegawa, and Takashi Amiya
Vol 29, Issue 7, 1989, pp.1293-1300,
COM-89-4967
Abstract     PDF (155KB)
 

Paper
Heterocyclic Photorearrangements - Photochemical Behavior od Some 3-Acetylamino-5-aryl-1,2,4-oxadiazoles. A Photoinduced iso-Heterocyclic Rearrangement
Silvestre Buscemi, Gabriella Macaluso, and Nicolò Vivona
Vol 29, Issue 7, 1989, pp.1301-1308,
COM-89-4968
Abstract     PDF (151KB)
 

Paper
Pyridazines XLII. On the Synthesis of N-5-substitutes Pyridazino[4,5-b]quinolin-10(5H)-ones
Norbert Hainder, Gottfried Heinisch, and Ivo Volf
Vol 29, Issue 7, 1989, pp.1309-1316,
COM-89-4976
Abstract     PDF (199KB)
 

Paper
Condensed Thienopyrimidines 5. Studies on the Thermal Cyclization of Various ortho-Formylthiophenecarbamates with Ethanolamine
Mitsuo Sugiyama, Toshiaki Sakamoto, and Hiroshi Fukumi
Vol 29, Issue 7, 1989, pp.1317-1323,
COM-89-4977
Abstract     PDF (169KB)
 

Paper
Nucleophilic Aromatic substitution in 4,5-Dicyanoimidazoles
Paul G. Apen and Paul G. Rasmussen
Vol 29, Issue 7, 1989, pp.1325-1329,
COM-89-4980
Abstract     PDF (152KB)
 

Paper
An Unusual Photochemical Reaction of Indene with Furan and Thiophene Derivatives
Maurizio D’Auria, Antonella De Mico, and Franco D’Onofrio
Vol 29, Issue 7, 1989, pp.1331-1334,
COM-89-4982
Abstract     PDF (71KB)
 

Paper
The Formation of 1-Methyl-3-nicothinoylpyrrolidine from Nicotine-1’-oxide
Nancy J. Joyce and Edward Leete
Vol 29, Issue 7, 1989, pp.1335-1342,
COM-89-4985
Abstract     PDF (182KB)
 

Paper
On the Protonation Site of Rauwolfia Alkaloids in Highly Concentrated Sulphuric and Solutions
María A. Muñoz, Carmen Carmona, Jose Hidalgo, Manuel Balón, and Manuel López-Poveda
Vol 29, Issue 7, 1989, pp.1343-1348,
COM-89-4988
Abstract     PDF (184KB)
 

Paper
Reaction of o-Isocyanatobenzoyl Chloride with Cyanotrimethylsilane. Formation of 4-Oxo-4H-benzoxazine-2-carbonitrile and Its Ring Transformation to 3,4-Dihydro-1H-1,3,4-benzotriazepine-2,5-diones
Masahiko Takahashi and Akira Hiratsuka
Vol 29, Issue 7, 1989, pp.1349-1354,
COM-89-4992
Abstract     PDF (157KB)
 

Paper
Syntheses and Chiroptical Properties of Some New N-(5-benzofurazanoyl)-L-α-amino Acids and Esters
Sadiq A. Salah and Mustafa M. El-Abadelah
Vol 29, Issue 7, 1989, pp.1355-1368,
COM-89-4993
Abstract     PDF (288KB)
 

Paper
Four New Prenylated Flavonoids from Aerial Parts of Glycyrrhiza uralensis
Toshio Fukai, Qing-Hua Wang, and Taro Nomura
Vol 29, Issue 7, 1989, pp.1369-1378,
COM-89-4998
Abstract     PDF (265KB)
 

Paper
Synthesis of 3,5,6-Trisubstitutued 1,2,4-Triazines from 3,6-Disubstituted 1,2,4,5-Tetrazines and N-(Trimethylsilyl)benzaldimines
Masahiko Takahashi, Yoshihiro Hikita, and Makoto Fukui
Vol 29, Issue 7, 1989, pp.1379-1382,
COM-89-5000
Abstract     PDF (95KB)
 

Paper
An Unusual Base-induces Debromination Reaction of 3,4-Dibromo-3-methoxycarbonylsulfolane
Ta-Shue Chou and Lee-Jui Hwang
Vol 29, Issue 7, 1989, pp.1383-1390,
COM-89-5002
Abstract     PDF (181KB)
 

Paper
Enzymatic Cyclization of 2-(Carbamoyloxy)benzoates, 2-(Sulfamoyloxy)benzoates and 2-(Carbamoyloxy)benzophenones with Yeast and Lipase
Ahmed Kamal, Maddamsetty V. Rao, Adari B. Rao, and Pralhad B. Sattur
Vol 29, Issue 7, 1989, pp.1391-1397,
COM-89-5007
Abstract     PDF (152KB)
 

Paper
Pyridazines 47. The Configuration of Novel Thiosemicarboazone Derivatives of Pyridazinecarbaldehydes and Alkyl Pyridazinyl Ketones
Johnny Easmon, Gottfried Heinisch, and Wolfgang Holzer
Vol 29, Issue 7, 1989, pp.1399-1408,
COM-89-5012
Abstract     PDF (209KB)
 

Review
Synthesis of Pyrimidine Derivatives and Their Related Compounds Using Ketene Dithioacetals
Yoshinori Tominaga, Shinya Kohra, Harumasa Honkawa, and Akira Hosomi
Vol 29, Issue 7, 1989, pp.1409-1429,
REV-89-408
Abstract     PDF (340KB)
 

Communication
Normavacurine and Minfiensine, Two New Alkaloids with C19H22N2O Formula from Strychnos Species
Georges Massiot, Philippe Thépenier, Marie-José Jacquier, Louisette Le Men-Olivier, and Clément Delaude
Vol 29, Issue 8, 1989, pp.1435-1438,
COM-89-4987
Abstract     PDF (96KB)
 

Communication
An Alternative Model for the Biogenesis of Xanthanolides
Antonio G. González, Antonio Galindo, María del Mar Afonso, amd Horacio Mansilla
Vol 29, Issue 8, 1989, pp.1439-1441,
COM-89-4997
Abstract     PDF (61KB)
 

Communication
Reaction of 6-Methyl-2-phenyl-4H-1,3-oxazin-4-one with Oxime Dianions
Yutaka Yamamoto, Yasuo Morita, Reiko Kikuchi, Emiko Yokoo, Kaori Ohtsuka, and Miwako Katoh
Vol 29, Issue 8, 1989, pp.1443-1446,
COM-89-4996
Abstract     PDF (88KB)
 

Communication
Artonins A and B, Two New Prenylflavonoes from the Root Bark of Artocarpus heterophyllus Lamk
Yoshion Hano, Miwa Aida, Mikako Shiina, Taro Nomura, Takatoshi Kawai, Hiroshi Ohe, and Kengo Kagei
Vol 29, Issue 8, 1989, pp.1447-1453,
COM-89-5019
Abstract     PDF (165KB)
 

Communication
Synthesis and Reaction of 3-Hydroxyenamides
Shunsaku Ohta, Motoshige Sumino, Tsutomu Sasaki, and Nobuyuki Yamagami
Vol 29, Issue 8, 1989, pp.1455-1458,
COM-89-5028
Abstract     PDF (75KB)
 

Communication
Polyannulated Tropylium Compounds Having Benzothiazine and Related Heterocyclic Rings. Formation of o- and p-Benzoquinonoid Products by Rearrangement
Tetsuo Nozoe, Kimio Shindo, Hidetsugu Wakabayashi, and Sumio Ishikawa
Vol 29, Issue 8, 1989, pp.1459-1464,
COM-89-5034
Abstract     PDF (143KB)
 

Communication
Structure and Stereochemistry of Emargiatine-A, a Novel Cytotoxic Sesquiterpene Pyridine Alkaloid from Maytenus emarginata: X-Ray Crystal Steructure of Emarginatine-A Monohydrate
Yao-Haur Kuo, Chung-Hsiung Chen, Li-Ming Yang Kuo, Ming-Lu King, Tian-Shung Wu, Sheng-Teh Lu, Ih-Sheng Chen, Donald R. McPhail, Andrew T. McPhail, and Kuo-Hsiung Lee
Vol 29, Issue 8, 1989, pp.1465-1468,
COM-89-5052
Abstract     PDF (95KB)
 

Communication
Synthesis of (+)-1-Deoxynojirimycin from (S)-Pyroglutamic Acid
Nobuo Ikota
Vol 29, Issue 8, 1989, pp.1469-1472,
COM-89-5057
Abstract     PDF (103KB)
 

Communication
A Concise Enantioselective Synthesis of Acromelic Acid B from (S)-O-Benzylglycidol
Seiichi Takano, Shun’ichi Tomita, Yoshiharu Iwabuchi, and Kunio Ogasawara
Vol 29, Issue 8, 1989, pp.1473-1476,
COM-89-5064
Abstract     PDF (127KB)
 

Paper
Syntheses of Functionalized Derivatives of Quinazolines and 1,4-Bensodiazepines
Maurizio Anzini, Antonio Garofalo, and Salvatore Vomero
Vol 29, Issue 8, 1989, pp.1477-1487,
COM-89-4933
Abstract     PDF (197KB)
 

Paper
Three New Clerodane-type Diterpenoids, Clerodinin C, Clerodinin D and Clerodiol, from Clerodendron brachyanthum Schauer
Yun-Lian Lin, Yueh-Hsiung Kuo, and Yuh-Lin Chen
Vol 29, Issue 8, 1989, pp.1489-1495,
COM-89-4944
Abstract     PDF (165KB)
 

Paper
Design and Synthesis of 4-Oxoquinolin-2-yl-6-heptenoic Acid Derivatives as HMG-CoA Reductase Inhibitors
Gary M. Coppola, Terrence J. Scallen, Ann DelPrete, and Rita Montano
Vol 29, Issue 8, 1989, pp.1497-1516,
COM-89-4947
Abstract     PDF (424KB)
 

Paper
Synthesis and Cardiotonic Activity of 5-(2-Substituted Thiazol-4-yl)-2-pyridones and Thiazolo[4,5-f]quinolinones
Hiroshi Fukatsu, Yoshiaki Kato, Satoshi Murase, and Susumu Nakagawa
Vol 29, Issue 8, 1989, pp.1517-1528,
COM-89-4984
Abstract     PDF (237KB)
 

Paper
Synthesis of Sulfonamide Analogs of the Pyrrolo[1,4]benzodiazepine Antibiotic Abbeymycin
Nicole Langlois and Ratremaniaina Z. Andriamialisoa
Vol 29, Issue 8, 1989, pp.1529-1536,
COM-89-4990
Abstract     PDF (176KB)
 

Paper
Reactions of Diazo Compounds of Heterocyclic Aldehydes with Phenylacetylene: Formation of Pyrazoles Combined with Heterocycles
Katsuhiro Saito, Hiroshi Fushihara, Tatsuji Sato, Hiraku Ishihara, and Kensuke Takahashi
Vol 29, Issue 8, 1989, pp.1537-1543,
COM-89-4994
Abstract     PDF (148KB)
 

Paper
Reactions of Pyrazole and Pyrrole Derivatives with Trimethylchlorosilane
Katsuhiro Saito, Yoichi Horie, Toyonobu Murase, and Kensuke Takahashi
Vol 29, Issue 8, 1989, pp.1545-1550,
COM-89-5001
Abstract     PDF (143KB)
 

Paper
Imidazole Derivatives. Part II. Synthesis of Imidazo[1,2-a]pyridin-5-ones
Hans-Joachim Knölker, Roland Boese, and Rainer Hitzemann
Vol 29, Issue 8, 1989, pp.1551-1558,
COM-89-5003
Abstract     PDF (180KB)
 

Paper
Reactions of Ethyl 2-Hydroxy-4-(4-hydroxy-6-methyl-2-pyron-3-yl)-4-oxo-2-butenoate with N-Nucleophiles. Synthesis of Isomeric Pyronylpyrazoles and Pyrano[4,3-c]pyrazoles
Ana Brbot-Saranovic, Branka Katusin-Razem, and Ivana Susnik
Vol 29, Issue 8, 1989, pp.1559-1571,
COM-89-5004
Abstract     PDF (279KB)
 

Paper
Phase-transfer Catalysed Alkylation of 3-Hydroxycoumarin
Krishna C. Majumdar, Abu T. Khan, and Shital K. Chattopadhyay
Vol 29, Issue 8, 1989, pp.1573-1576,
COM-89-5005
Abstract     PDF (95KB)
 

Paper
The Structure of Two New Diterpenoid Alkaloids from Aconitum napellus L. S. Str.
Gabriel de la Fuente, Matías Reina, and Emir Valencia
Vol 29, Issue 8, 1989, pp.1577-1582,
COM-89-5006
Abstract     PDF (134KB)
 

Paper
Ring Transformation of 5-Acylpyrimidines into 4-Acylpyrazoles with Phenylhydrazine
Abdelilah Bajnati, Michel Hubert-Habart, Kaname Takagi, and Hiroshi Terada
Vol 29, Issue 8, 1989, pp.1583-1588,
COM-89-5016
Abstract     PDF (138KB)
 

Paper
Synthesis of Vinca Alkaloids and Related Compounds, XLV. A New Heterocyclic Ring System
Zsuzsanna Kardos-Balogh, Ferenc Sóti, Mária Incze, Mária Kajtár-Peredy, and Csaba Szántay
Vol 29, Issue 8, 1989, pp.1589-1593,
COM-89-5017
Abstract     PDF (104KB)
 

Paper
New Synthetic Approach to Pyrazolo[3,4-d]pyridazin-7(6H)-one Ring System
Vittorio Dal Piaz, Giovanna Ciciani, Maria Paola Giovannoni, and Giovanni Turco
Vol 29, Issue 8, 1989, pp.1595-1600,
COM-89-5023
Abstract     PDF (142KB)
 

Paper
Convenient Preparations of 1,8-Dioxo-6-thioxopimerazino[1,2-c]perhydropyrimidines
Tadashi Ohkawara, Shigenori Matsumoto, Tetsuo Yamasaki,and Mitsuru Furukawa
Vol 29, Issue 8, 1989, pp.1601-1605,
COM-89-5025
Abstract     PDF (102KB)
 

Paper
Preparation of [1,2,4]Triazolo[5,1-c][1,2,4]triazine Derivatives from 3,4-Diamino[1,2,4]triazine
Pedro Molina, Mateo Alajarín, Ma JesÚs Pérez de Vega, and Antonio López
Vol 29, Issue 8, 1989, pp.1607-1613,
COM-89-5056
Abstract     PDF (136KB)
 

Review
Pyrazole 1-Oxides, 1,2-Dioxides and Derivatives
Antigoni Kotali and Petros G. Tsoungas
Vol 29, Issue 8, 1989, pp.1615-1648,
REV-89-393
Abstract     PDF (591KB)
 

Communication
Synthesis of Alkaloids, Cleistopholine, Oxylopine (Isoursuline), and Ursuline
Junko Koyama, Teruyo OKatani, Kiyoshi Tagahara, and Hiroshi Irie
Vol 29, Issue 9, 1989, pp.1649-1654,
COM-89-5048
Abstract     PDF (137KB)
 

Communication
The Sinthesis and Chemical Properties of 11H-Cyclohepr[b]indeno[2,1-d]pyrrole
Makoto Nitta, Yukio Iino, and Kaoru Kamata
Vol 29, Issue 9, 1989, pp.1655-1659,
COM-89-5074
Abstract     PDF (109KB)
 

Communication
C3-Acylation of Indoles via C3-Lithiation Directed by the C2-Carboxyl Group
Yuusaku Yokoyama, Masahiko Uchida, and Yasuoki Murakami
Vol 29, Issue 9, 1989, pp.1661-1662,
COM-89-5079
Abstract     PDF (50KB)
 

Communication
A Regioselective Synthesis Method of Tri- and Tetrahalogenoindoles and Its Application for the Total Syntheses of Marine Alkaloids
Toshiharu Ohta and Masanori Somei
Vol 29, Issue 9, 1989, pp.1663-1667,
COM-89-5088
Abstract     PDF (125KB)
 

Paper
Crystal Structures of Two Trimers of 1,4-Benzothiazine
Ettore Novellino, Luciano Mayol, Francesco Chioccara, Alfonso Bavoso, Antonello Santini, and Carlo Pedone
Vol 29, Issue 9, 1989, pp.1669-1673,
COM-89-4872
Abstract     PDF (125KB)
 

Paper
Improves Synthesis of (±)-Praeruptorin A and Other Khellactone Esters by Solvent-free DCC Reactions
Swati Bal-Tembe, Dilip N. Bhedi, and Noel J. de Souza
Vol 29, Issue 9, 1989, pp.1675-1679,
COM-89-4893
Abstract     PDF (119KB)
 

Paper
Reactions of Ca, O-Dilithioximes with Functionalized Carbonyl Compounds. Part 1. Reaction with 1,2-Diketones
Ahmad Q. Hussein, Adil A. Jarrar, and Ahmad S. Madi
Vol 29, Issue 9, 1989, pp.1681-1687,
COM-89-4907
Abstract     PDF (135KB)
 

Paper
Nortenuipine-2’β-N-oxide, a New Bisbenzylisoquinoline Alkaloid from Daphnandra dielsii
Ahmed M. Galal, Colin, D. Critchett, I. Ralph C. Bick, Subramaniam Sotheeswaran, Cong-yuan Gao, Fu-tyan Lin, Francis K. Duah, Emil W. Fu, Lan K. Wong, and Paul L. Schiff, Jr.
Vol 29, Issue 9, 1989, pp.1689-1694,
COM-89-4957
Abstract     PDF (140KB)
 

Paper
Reaction of Hydrazine Derivatives with Methylsulphonyl Chloride. Synthesis of Alkenylpyrazoles
Vicente Gotor, Rosario Brieva, ángel Aguirre, S. García-Granda, and F. Gómez-Beltrán
Vol 29, Issue 9, 1989, pp.1695-1702,
COM-89-4965
Abstract     PDF (191KB)
 

Paper
Cyclisations Using Methyl(bismethylthio)sulphonium Salts. Part 6. Synthesis of 2-Methylthiomethylated Tetrahtdrofurans
Giuseppe Capozzi, Stefano Menichetti, Mario Nicastro, and Maurizio Taddei
Vol 29, Issue 9, 1989, pp.1703-1708,
COM-89-5010
Abstract     PDF (131KB)
 

Paper
New Reactivity of Stable Indole-2,3-quinodimethane Equivalents: [4+2]Cycloaddition, Cycloreversion, Sigmatropic Rearrangement, and Elimination Processes in the Reactions of 1,4-Dimethylpyrano[3,4-b]indole-3-one and 1-Methylpyrido[3,4-b]indol-3-one with CC-Dienophiles
Houshang Erfanian-Abdoust and Ulf Pindur
Vol 29, Issue 9, 1989, pp.1709-1719,
COM-89-5020
Abstract     PDF (307KB)
 

Paper
Synthesis of a 3-Acetoxy-6-phenylpyrone and Its Conversion to a Pyrido[1,4]benzodiazepine
David J. Wustrow and Wendell Wierenga
Vol 29, Issue 9, 1989, pp.1721-1728,
COM-89-5024
Abstract     PDF (181KB)
 

Paper
A Convenient One Pot Synthesis of 3-Thiosubstitutes Coumarins
Vinod Kumar Ahluwalia, Mohamad Alauddin, Chandra Has Khanduri, and Vimal Deep Mehta
Vol 29, Issue 9, 1989, pp.1729-1733,
COM-89-5033
Abstract     PDF (111KB)
 

Paper
Synthesis of Derivatives of 3,4-Dihydro-6H,8H-pyrimido[4,5-c][1,2]oxazin-7-one
P. Kong Thoo Lin and D. M. Brown
Vol 29, Issue 9, 1989, pp.1735-1740,
COM-89-5036
Abstract     PDF (177KB)
 

Paper
Nitrosation of 1-Alkylisoquinolines and Their N-Oxides and Configurational Assignments of Their Oximes
Yoshinobu Tagawa, Hiromi Arakawa, and Yoshinobu Goto
Vol 29, Issue 9, 1989, pp.1741-1760,
COM-89-5040
Abstract     PDF (462KB)
 

Paper
Structures of Six Isoprenoid-substituted Flavonoids, Gancaonins F, G, H, I, Glycyrol, and Isoglycyrol from Xibei Licorice (Glycyrrhiza Sp.)
Toshio Fukai, Qing-Hua Wang, Taro Kitagawa, Kazunao Kusano, Taro Nomura, and Yoichi Iitaka
Vol 29, Issue 9, 1989, pp.1761-1772,
COM-89-5041
Abstract     PDF (326KB)
 

Paper
Addition of Arylzirconium Tributoxides to 17-Ketosteroids
Virendra Kumar and Malcolm R. Bell
Vol 29, Issue 9, 1989, pp.1773-1779,
COM-89-5042
Abstract     PDF (172KB)
 

Paper
Amination and Nitrosation of Quinolines and Their N-Oxides
Yoshinobu Tagawa, Toshio Yoshida, Noriko Honjo, and Yoshinobu Goto
Vol 29, Issue 9, 1989, pp.1781-1796,
COM-89-5047
Abstract     PDF (398KB)
 

Paper
Alkaloids from Cynanchum hancockianum (Maxim.) Al. Iljimski. (Asclepidaceae)
Xian Li, Junpen Peng, Masayuki Onda, Yaeko Konda, Mieko Iguchi, and Yoshihiro Harigaya
Vol 29, Issue 9, 1989, pp.1797-1808,
COM-89-5053
Abstract     PDF (217KB)
 

Paper
Modified Synthesis of Monocyclic 1,2,3-Triazine and Cycloaddition Reaction with Enamine: The Application to the Synthesis of Alkaloids, Tortuosamine, N-Formyltortuosamine and N-Acetyltortuosamine
Teruyo Okatani, Junko Koyama, and Kiyoshi Tagahara
Vol 29, Issue 9, 1989, pp.1809-1814,
COM-89-5054
Abstract     PDF (120KB)
 

Paper
Synthesis of 3-Aryl-4-acetyl-1H-pyrazolo[3,4-b]pyridines and 3-Aryl-4-acetyl-1H-pyrazolo[4,3-c]pyridines
Emile BIsagni, Marilys Rautureau, and Christiane Huel
Vol 29, Issue 9, 1989, pp.1815-1824,
COM-89-5060
Abstract     PDF (232KB)
 

Paper
A Concise Route to (S)-Phenylalanine from (R)-Epichlorohydrin
Seiichi Takano, Masashi Yanase, and Kunio Ogasawara
Vol 29, Issue 9, 1989, pp.1825-1828,
COM-89-5062
Abstract     PDF (103KB)
 

Paper
Synthesis of 2,4-Diarylthio-5-N-alkyl-N-phenylaminooxazoles. A Novel Class of Oxazole Derivatives
Ricardo Bossio, Stefano Marcaccini, Robert Pepino, Cecilia Polo, and Tomás Torroba
Vol 29, Issue 9, 1989, pp.1829-1833,
COM-89-5070
Abstract     PDF (129KB)
 

Paper
The Practical Synthsis of N-Protected Allylamine: The Isoxazoline Route to Statine Analogue
Takahide Nishi and Yasuhiro Morisawa
Vol 29, Issue 9, 1989, pp.1835-1842,
COM-89-5076
Abstract     PDF (217KB)
 

Paper
Synthesis of 1-Arylthiocarbonyl-4-isopropylamino-2,5-dihydro-1H-imidazole-2-thiones, a Novel Class of Imidazole Derivatives
Ricardo Bossio, Stefano Marcaccini, Roberto Pepino, Cecilia Polo, Tomás Torroba, and Giovanni Valle
Vol 29, Issue 9, 1989, pp.1843-1847,
COM-89-5089
Abstract     PDF (99KB)
 

Paper
Enantiodivergent Synthesis of Both Enantiomers of Ibuprofen from (2S,3S)-3-Phenylglycidol
Seiichi Takano, Masashi Yanase, and Kunio Ogasawara
Vol 29, Issue 9, 1989, pp.1849-1853,
COM-89-5106
Abstract     PDF (142KB)
 

Communication
Photochemical [2+2]- and [4+2]Cycloadditions of N-Methylphthalimide to Allytrimethylsilane
Yasuo Kubo, Eiko Taniguchi, and Takeo Araki
Vol 29, Issue 10, 1989, pp.1857-1860,
COM-89-5092
Abstract     PDF (103KB)
 

Communication
An Enantioconvergent Route to (-)-Anisomycin from Both (S)- and (R)-Enantiomers of Epichlorohydrin
Seiichi Takano, Yoshiharu Iwabuchi, and Kunio Ogasawara
Vol 29, Issue 10, 1989, pp.1861-1864,
COM-89-5104
Abstract     PDF (108KB)
 

Communication
A Total Synthesis of the Novel Cyclodepsipeptide (+)-Geodiamolide A
Yohiro Hirai, Katsuyuki Yokota, Hiroshi Sakai, Takao Yamazaki, and Takefumu Momose
Vol 29, Issue 10, 1989, pp.1865-1869,
COM-89-5123
Abstract     PDF (107KB)
 

Communication
Intramolecular Diels-Alder Reaction of 3-(1H-Indol-3-yl)-2-propenoates: Synthesis of Fused Indole Compounds
Yasuo Shimoji, Fujio Saito, Sadao Sato, Kuniyuki Tomita, and Yasuhiro Morisawa
Vol 29, Issue 10, 1989, pp.1871-1876,
COM-89-5124
Abstract     PDF (120KB)
 

Paper
Heterosryl Stabilised Azinium Yields. 1,3,4-Thiadiazole as Stabilising Group
Rosa Carceller, Jose Luis Garcia-Navio, Maria Luisa Izquierdo, Julio Alvarez-Builla, Julia Sanz-Aparicio, and Feliciana Florencio
Vol 29, Issue 10, 1989, pp.1877-1889,
COM-89-4916
Abstract     PDF (224KB)
 

Paper
A New Unexpected Ring Closure from 3-Amino-1,5-diaryl-1H-1,2,4-triazoles
Éva K. Bozó, Géza Szilágyi, József Langó, and István Pelczer
Vol 29, Issue 10, 1989, pp.1891-1894,
COM-89-5031
Abstract     PDF (87KB)
 

Paper
Torvonin-B, a Spirostane Saponin from Solanum torvum
Pawan K. Agrawal, Umar Mahmood, and Raghunath S. Thakur
Vol 29, Issue 10, 1989, pp.1895-1899,
COM-89-5032
Abstract     PDF (108KB)
 

Paper
Plumerinine — A Novel Lupin Alkaloid from Plumeria rubra
Syed Najam-ul-Hussain Kazmi, Zaheer Ahmed, Waseem Ahmed, and Abdul Malik
Vol 29, Issue 10, 1989, pp.1901-1906,
COM-89-5043
Abstract     PDF (142KB)
 

Paper
Synthesis of New s-Triazolo[4,3-b]pyridazines
Adbel Moneim El Massry and Adel Amer
Vol 29, Issue 10, 1989, pp.1907-1914,
COM-89-5046
Abstract     PDF (149KB)
 

Paper
Synthesis and Biological Evalution of Methylated Derivatives of the Cooked Food Mutagen Metabolite 2-Amino-3,6-dihydro-3-methyl-7H-imidazo[4,5-f]quinolin-7-one (7-OH-IQ)
Mohammad Bashir, David G. I. Kingston, Roger L. Van Tassell, and Tracy D. Wilkins
Vol 29, Issue 10, 1989, pp.1915-1922,
COM-89-5049
Abstract     PDF (191KB)
 

Paper
Vaccaxanthone, a Novel Xanthone Acid from Saponaria vaccaria
Syed Najam-ul-Hussain Kazmi, Zaheer Ahmed, and Abdul Malik
Vol 29, Issue 10, 1989, pp.1923-1927,
COM-89-5061
Abstract     PDF (127KB)
 

Paper
New 4-Ring Fused Heterocyclic Systems Derived from Pyrimido[6,1-a]isoquinolin-4-ones. Potent c-AMP Phosphodiesterase Inhibitors
Graham A. Howarth
Vol 29, Issue 10, 1989, pp.1929-1941,
COM-89-5063
Abstract     PDF (280KB)
 

Paper
The Synthesis of 5-Alkylaminomethylthieno[2,3-b]pyrrole-5-sulfonamides
George D. Hartman and Wasyl Halczenko
Vol 29, Issue 10, 1989, pp.1943-1949,
COM-89-5073
Abstract     PDF (179KB)
 

Paper
A New Heterocyclic Rearrangement: Conversion of 1,2-Dihydropyrimidines into Pyrroles
Antonio de la Hoz, José Elguero, and Carmen Pardo
Vol 29, Issue 10, 1989, pp.1951-1956,
COM-89-5078
Abstract     PDF (114KB)
 

Paper
Heterocycles from Nitrile Oxides. Part V. 4-Amino-Δ2-1,2,4-oxadiazolines
Mustafa M. El-Abadelah, Ahmad Q. Hussein, and Adel M. Awadallah
Vol 29, Issue 10, 1989, pp.1957-1964,
COM-89-5085
Abstract     PDF (207KB)
 

Paper
On the Nitration of 5-Phenyl- and 3-Methyl-5-phenylisoxazoles
Stefano Chimichi and Barbara Cosimelli
Vol 29, Issue 10, 1989, pp.1965-1972,
COM-89-5086
Abstract     PDF (177KB)
 

Paper
Some Observations on the Reactivity of β-Aminoenones towards Phenacylamine Hydrochloride
Angel Alberola, José M. Andrés, Alfonso González, Rafael Pedrosa, and Martina Vicente
Vol 29, Issue 10, 1989, pp.1973-1982,
COM-89-5096
Abstract     PDF (275KB)
 

Paper
Regioselective Synthesis of 2- and 3-Acylpyrroles by Reaction of β-Aminoenones with α-Aminoketone Hydrochloride
Angel Alberola, José M. Andrés, Alfonso González, Rafael Pedrosa, and Martina Vicente
Vol 29, Issue 10, 1989, pp.1983-1991,
COM-89-5097
Abstract     PDF (267KB)
 

Paper
Preparation of Cyclopropa[4,5]pyrido[2,3-d]- and Pyrrolo[2,3-d]pyrimidine Derivatioves Using Intramolecular Carbene Reactions
Michihiko Noguchi, Naohiko Fujimoto, Masatsugu Nagashima, and Shoji Kajigaeshi
Vol 29, Issue 10, 1989, pp.1993-1996,
COM-89-5098
Abstract     PDF (107KB)
 

Paper
N-Nitroso and N-Nitro Derivatives of Diazacycloalkanes and Tetraazabicycloalkanes from α,α’-Diaminodicarboxylate Esters
Govindarajulu Kumar, Vayalakkavoor T. Ramakrishnan, and Joseph H. Boyer
Vol 29, Issue 10, 1989, pp.1997-2006,
COM-89-5099
Abstract     PDF (273KB)
 

Paper
Synthesis of 5-(4-Pyrazolyl and 4-Isoxazolyl)-1,3-dihydro-2H-1,4-benzodiazepin-2-ones
Takushi Kurihara, Jun Sasaki, Kazunori Santo, Yutaka Nakamura, Ryuji Yoneda, and Shinya Harusawa
Vol 29, Issue 10, 1989, pp.2007-2021,
COM-89-5102
Abstract     PDF (380KB)
 

Paper
Solid State Photodimerization of (E)-1-(3-Medthyl-4-nitroisoxazol-5-yl)-2-(2-thienyl)ehtene
Antonella Baracchi, Stefano Chimichi, Francesco De Sio, Cecilia Polo, Piero Sarti-Fantoni, and Tomas Torroba
Vol 29, Issue 10, 1989, pp.2023-2027,
COM-89-5119
Abstract     PDF (119KB)
 

Paper
Isolation of Azirino[1,2-a]indole Derivatives by the Thermolysis of 2-Alkenyl-3-azido-2-cyclohexen-1-ones
Mishihiko Noguchi, Kenjiro Onimura, and Shoji Kajigaeshi
Vol 29, Issue 10, 1989, pp.2029-2034,
COM-89-5128
Abstract     PDF (161KB)
 

Paper
Two New Diels-Alder Type Adducts, Mulberrofuran T and Kuwanol E, from Callus Tissues of Morus alba L.
Yoshio Hano, Taro Nomura, and Shinichi Ueda
Vol 29, Issue 10, 1989, pp.2035-2041,
COM-89-5138
Abstract     PDF (154KB)
 

Communication
Chemoselective Reduction of Lactams to Teritary Amines Using Tributylyin Hydride
Jean-Yves Laronzo, Brigitte Guilleteau, Dominique Cartier, Jacquwline Laronze, and Jean Lévy
Vol 29, Issue 11, 1989, pp.2051-2055,
COM-89-5081
Abstract     PDF (116KB)
 

Communication
The Synthesis of Eudistomins S and T: β-carbolines from the Tunicate Eudistoma olivaceum
Ian W. J. Still and James McNulty
Vol 29, Issue 11, 1989, pp.2057-2059,
COM-89-5118
Abstract     PDF (79KB)
 

Communication
Enzyme-mediated Acylation of Flavonoid Monoglycosides
Bruno Danieli, Paolo De Bellis, Giacomo Carrea, and Sergio Riva
Vol 29, Issue 11, 1989, pp.2061-2064,
COM-89-5120
Abstract     PDF (104KB)
 

Communication
Enantioselective Addition of Dialkylzincs to Pyridinecarbaldehyde in the Presence of Chiral Aminoalcohols: Asymmetric Synthesis of Pyridylalkyl Alcohols
Kenso Soai, Hiroshi Hori, and Seiji Niwa
Vol 29, Issue 11, 1989, pp.2065-2067,
COM-89-5146
Abstract     PDF (77KB)
 

Communication
A Stable Seven-membered Ring Ketene Imine from a Thiocarbonyl Ylide and an Acceptor Olefin
Rolf Huisgen, Elke Langhals, Grzegorz Mloston, and Takumi Ohshima
Vol 29, Issue 11, 1989, pp.2069-2074,
COM-89-5165
Abstract     PDF (152KB)
 

Communication
Ring Contraction of a Cyclic Seven-membered Ketene Imine
Rolf Huisgen, Elke Langhals, and Takumi Ohshima
Vol 29, Issue 11, 1989, pp.2075-2078,
COM-89-5166
Abstract     PDF (92KB)
 

Communication
Versatile Synthesis of 5,6-Dihydro-1,4-dithiewpins and their Synthetic Applications
Kazuhiko Saigo, Yukihiko Hashimoto, Lan Fang, and Masaki Hasegawa
Vol 29, Issue 11, 1989, pp.2079-2082,
COM-89-5167
Abstract     PDF (96KB)
 

Communication
Synthesis of 3’-(1,2,3-Triazol-1-yl)-3’-deoxythymidines
Dieter Häbich, Wolfgang Barth, and Manfred Rösner
Vol 29, Issue 11, 1989, pp.2083-2088,
COM-89-5171
Abstract     PDF (131KB)
 

Communication
Ring Construction of Bicyclic γ-Lactams by Use of Electrochemical Oxidation
Miwako Mori, Yumiko Watanabe, Katsuji Kagechika, and Masakatsu Shibasaki
Vol 29, Issue 11, 1989, pp.2089-2092,
COM-89-5175
Abstract     PDF (101KB)
 

Communication
Total Synthesis of the Pentacyclic Alkaloid Ascididemin
Franz Bracher
Vol 29, Issue 11, 1989, pp.2093-2095,
COM-89-5176
Abstract     PDF (58KB)
 

Communication
Chemistry on Benzopentathiepin. Reactions of Benzopentathiepin with Active Methylene Compounds in the Presence of Base
Ryu Sato, Yutaka Kanazawa, Yasuo Akutsu, and Minoru Saito
Vol 29, Issue 11, 1989, pp.2097-2100,
COM-89-5178
Abstract     PDF (94KB)
 

Communication
A Concise Enantio- and Stereocontrolled Synthesis of (+)-Ramulosin from (R)-O-Bezylglyidol
Seiichi Takano, Youichi Shimazaki, and Kunio Ogasawara
Vol 29, Issue 11, 1989, pp.2101-2102,
COM-89-5182
Abstract     PDF (56KB)
 

Paper
Some Chemical Reactions of Taccalonoide A - a Bitter Substance from Tacca plantaginea
Zhong-liang Chen, Ji-hui Shen, and Yi-sheng Gao
Vol 29, Issue 11, 1989, pp.2103-2108,
COM-89-5101
Abstract     PDF (161KB)
 

Paper
Synthesis and Crystal Structure of Naphtho[2,1-b][1,5]naphthyridine
Isao Takeuchi, Yoshiki Hamada, and Kimio Okamura
Vol 29, Issue 11, 1989, pp.2109-2114,
COM-89-5108
Abstract     PDF (118KB)
 

Paper
Organogermanium Compounds; Spectrscopic Study on the Influence of Aryl Groups in the Organogermanium Aryl Compounds on the (p-d)π Interaction
Norihiko Kakimoto, Katsuyuki Sato, Toyozo Takada, and Mitsuo Akiba
Vol 29, Issue 11, 1989, pp.2115-2120,
COM-89-5112
Abstract     PDF (115KB)
 

Paper
Synthetic Applications of 2-(1,3-Dithian-2-yl)indoles. A New Synthetic Approach to Strychnos Alkaloids
Mario Rubiralta, Antoni Torrens, Ignasi Reig, David S. Grierson, and Henri-Philippe Husson
Vol 29, Issue 11, 1989, pp.2121-2133,
COM-89-5114
Abstract     PDF (346KB)
 

Paper
Thermal [4π+2π]-Type Cycloaddition Reactions of Pyrrole Derivatives with 3-Cyanocyclopropene Generated in situ
Katsuhiro Saito, Kazuaki Ito, and Kensuke Takahashi
Vol 29, Issue 11, 1989, pp.2135-2140,
COM-89-5137
Abstract     PDF (145KB)
 

Paper
Studies on Aconitum Species. XI. Two New Diterpenoid Alkaloids from Aconitum yesoense var. Macroyesoense (Nakai) Tamura V
Koji Wada, Hideo Bando, Takashi Amiya, and Norio Kawahara
Vol 29, Issue 11, 1989, pp.2141-2148,
COM-89-5139
Abstract     PDF (178KB)
 

Paper
Cyclization Reactions of Arylhydrazone Adducts — Synthesis of 1-Aryl-1H-1,2,4-triazolo[4,3-b]indazoles
Giuseppe Cusmano, Gabriella Macaluso, Michelangelo Grueeadauria, and Silvestre Buscemi
Vol 29, Issue 11, 1989, pp.2149-2156,
COM-89-5143
Abstract     PDF (133KB)
 

Paper
Synthesis of (±)-Solenopsin A and (±)-Isosolenopsin A from 6-Methyl-2-piperidinone
Tatsuo Nagasaka, Hideki Hayashi, Masaki Kumakawa, Masako Sakamoto, Masami Mizuno, and Fumiko Hamaguchi
Vol 29, Issue 11, 1989, pp.2157-2166,
COM-89-5144
Abstract     PDF (251KB)
 

Paper
Studies in Cell Suspension Cultures of Cassia didymobotrya. Part II. The Biotransformation of Chalcones to Flavonones
B. Botta, M. C. De Rosa, V. Vinciguerra, R. Scurria, P. Iacomacci, F. Ferrari, G. Delle Monache, and D. Misiti
Vol 29, Issue 11, 1989, pp.2167-2174,
COM-89-5151
Abstract     PDF (150KB)
 

Paper
Studies in Cell Suspension Cultures of Cassia didymobotrya. Part III. The Biotransformation of Chalcones to Flavones and Biflavanones
B. Botta, V. Vinciguerra, M. C. De Rosa, R. Scurria, A. Carbonetti, F. Ferrari, G. Delle Monache, and D. Misiti
Vol 29, Issue 11, 1989, pp.2175-2183,
COM-89-5152
Abstract     PDF (173KB)
 

Paper
13C Dynamic Nmr Studies on Restricted Rotation about C-N Bond in 2-Aryl-1-formyl-4-piperidones
Mario Rubiralta, M. Pilar Marco, Miguel Feliz, and Ernest Giralt
Vol 29, Issue 11, 1989, pp.2185-2192,
COM-89-5157
Abstract     PDF (197KB)
 

Paper
Facile Synthesis of Pyrrolo[2,3-d]pyrimidine and Pyrrolo[3,2-c]pyridine 2’,3’-Dideoxyribonucleosides via Nucleobase Anion Glycosylation with 2,3-Dideoxy-D-glycero-pentofuranosyl Chloride
F. Seela, W. Bourgeois, H. -P. Muth, and H. Rosemeyer
Vol 29, Issue 11, 1989, pp.2193-2197,
COM-89-5160
Abstract     PDF (115KB)
 

Paper
A Novel Synthesis of 3-(2-Amino-4-ethoxyphenyl)pyridine
Kimiyuki Shibuya, Yoshio Takahashi, Hiromichi Shigyo, and Tomio Ohta
Vol 29, Issue 11, 1989, pp.2199-2207,
COM-89-5161
Abstract     PDF (187KB)
 

Paper
Synthetic Approach toward Azinomycins
Kenshi Ando, Takae Yamada, and Masayuki Shibuya
Vol 29, Issue 11, 1989, pp.2209-2218,
COM-89-5163
Abstract     PDF (277KB)
 

Paper
Catalytic Asymmetric Synthesis of 2- and 3-Furylcarbinols
Kenso Soai, Yasuhiro Kawase, and Seiji Niwa
Vol 29, Issue 11, 1989, pp.2219-2223,
COM-89-5185
Abstract     PDF (115KB)
 

Review
Literature Review of the Ester Enolate Imine Condensation
Mark J. Brown
Vol 29, Issue 11, 1989, pp.2225-2244,
REV-89-407
Abstract     PDF (404KB)
 

Communication
The 1,3-Dipolar Cycloaddition of 3-Methyl-5-phenylisoxazoline N-Oxides
Yuan L. Chow, Y. Yuan Shu, Bert H. Bakker, and K. Somasekharen Pillay
Vol 29, Issue 12, 1989, pp.2245-2248,
COM-88-S17-1
Abstract     PDF (105KB)
 

Communication
Studies on as-Triazine Derivatives XIII. A Facile Synthesis of Fusaric Acid from Thienyl-as-triazine Derivatives
Mataichi Sagi, Masaki Amano, Shoetsu Konno, and Hiroshi Yamanaka
Vol 29, Issue 12, 1989, pp.2249-2252,
COM-89-5155
Abstract     PDF (83KB)
 

Communication
Studies on as-Triazine Derivatives XIV. Synthesis and Reverse Electron-demand Diels-Alder Reaction of Ethyl 5,8-Dichloro-1,2,4-benzotriazine-3-carboxylate
Mataichi Sagi, Osamu Sato, Shoetsu Konno, and Hiroshi Yamanaka
Vol 29, Issue 12, 1989, pp.2253-2256,
COM-89-5156
Abstract     PDF (86KB)
 

Communication
Unambiguous Carbon-13 NMR Assignments of Some Biologically Active Protoberberine Alkaloids
Raouf A. Hussain, Jinwoong Kim, Christpher W. W. Beecher, and A. Douglas Kinghorn
Vol 29, Issue 12, 1989, pp.2257-2260,
COM-89-5168
Abstract     PDF (113KB)
 

Communication
Palladium Assisted Synthesis of a Thromboxane B2 Precursor
Mathys M. Basson, Cedric W. Holzapfel, and Gerhard H. Verdoorn
Vol 29, Issue 12, 1989, pp.2261-2265,
COM-89-5181
Abstract     PDF (117KB)
 

Communication
Woodfordins A, B, and C, Dimeric Hydrolyzable Tannins from Woodfordia fruticosa Flowers
Takashi Yoshida, Tong Chou, Aya Nitta, and Takuo Okuda
Vol 29, Issue 12, 1989, pp.2267-2271,
COM-89-5199
Abstract     PDF (124KB)
 

Communication
Stereospecific Synthesis of (+)-Homodeoxoartemisinin
Daniel A. Bustos, Mankil Jung, Hala N. ElSohly, and James D. Mcchesney
Vol 29, Issue 12, 1989, pp.2273-2277,
COM-89-5203
Abstract     PDF (93KB)
 

Paper
Structure and Reactions of 6-Oxo-1,2,4-triazines
Mohga M. Eid, Sayed A. Abdel-Hady, and Hosny A. W. Ali
Vol 29, Issue 12, 1989, pp.2279-2285,
COM-89-5038
Abstract     PDF (168KB)
 

Paper
Sesquiterpene Esters from Maytenus chubutensis
Antonio G. Gonzálz, Mercedes P. Nufíez, Angel G. Ravelo, Javier G. Luis, Ignacio A. Jiménez, Jesús T. Vázquez, and Orlando M. Mufíoz
Vol 29, Issue 12, 1989, pp.2287-2296,
COM-89-5055
Abstract     PDF (236KB)
 

Paper
A New Pyranoxanthone and Flavonoids from Hypericum canariensis
M. Luz Cardona, Isabel Fernández, José R. Pedro, and Angel Serrano
Vol 29, Issue 12, 1989, pp.2297-2300,
COM-89-5087
Abstract     PDF (92KB)
 

Paper
2-Methylthio-1,3,4-thiadiazolium Cations as Useful Precursors for the Preparation of 2-Amino-1,3,4-thiadizole Derivatives and as Dehydrating Reagents of Aldoximes
Pedro Molina, Alberto Tearraga, and Arturo Espinosa
Vol 29, Issue 12, 1989, pp.2301-2316,
COM-89-5093
Abstract     PDF (494KB)
 

Paper
Five New Diterpenoids from Aconitum dolichorhynchum
Liang Huilling and Chen Siying
Vol 29, Issue 12, 1989, pp.2317-2326,
COM-89-5100
Abstract     PDF (350KB)
 

Paper
The Synthesis of Novel N-Pyrisyl-3,6-dihydro-1,2-oxazines
Henryk Labaziewicz, Karl R. Lindfors, and Tammy H. Kejonen
Vol 29, Issue 12, 1989, pp.2327-2334,
COM-89-5103
Abstract     PDF (296KB)
 

Paper
Synthesis of 2,2-Dimethyl-4-methoxychromans
Albert Lévai and Tibor Timár
Vol 29, Issue 12, 1989, pp.2335-2343,
COM-89-5115
Abstract     PDF (164KB)
 

Paper
The Skraup Reaction of 3,4-Dihydroanilines
Richard A. Blatchly, Michael A. Greeley, and J. Hodge Markgraf
Vol 29, Issue 12, 1989, pp.2345-2351,
COM-89-5122
Abstract     PDF (180KB)
 

Paper
Some Physicochemical Parameters of 11H-Indole[3,2-c]quinoline
Go Mei Lin and Ngiam Tong Lan
Vol 29, Issue 12, 1989, pp.2353-2359,
COM-89-5132
Abstract     PDF (177KB)
 

Paper
Reaction of Benzoquinones with Cyclic Amines; 1H- and 13C-Nmr Spectra of Amine-adducts
Mituso Akiba, Keiko Nagaoka, Masazumi Takigawa, and Toyozo Takada
Vol 29, Issue 12, 1989, pp.2361-2367,
COM-89-5162
Abstract     PDF (173KB)
 

Paper
New Applications of Westphal Condensation. Synthesis of New [2.3.3]Cyclazinones
Joaquin Pastor, M. Paz Matia, Jose L. García Navío, Juan J. Vaquero, and Jullio Alvarez-Builla
Vol 29, Issue 12, 1989, pp.2369-2377,
COM-89-5172
Abstract     PDF (186KB)
 

Paper
Revised Structures of Broussoflavonols C and D, and the Structure of Broussoflavonol E
Toshio Fukai and Taro Nomura
Vol 29, Issue 12, 1989, pp.2379-2390,
COM-89-5189
Abstract     PDF (318KB)
 

Paper
A Short Synthesis of (±)-2,5-Epoxy-6(E),8(E)-megastigmadiene
Michael P. DiFazio, William A. Wallace, and Albert T. Sneden
Vol 29, Issue 12, 1989, pp.2391-2397,
COM-89-5215
Abstract     PDF (209KB)
 

Paper
Strained Heterocycles Systems. 17. Basicities of Selected Isoquinolines
J. Hodge Markgraf, Thomas Mueller, and Christopher R. Myers
Vol 29, Issue 12, 1989, pp.2399-2402,
COM-89-5241
Abstract     PDF (77KB)
 

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